diff --git a/.env.dist b/.env.dist
index 6e8a3f9..753fad3 100755
--- a/.env.dist
+++ b/.env.dist
@@ -1,4 +1,3 @@
 DEBUG=false
 PORT=5000
 SECRET_KEY=ANY_SECRET_KEY_HERE
-PLAYER_AUTOSTART_FILE=./var/run/play # Replace by "/dev/null" if not needed
diff --git a/README.md b/README.md
index fc0925f..7b0f5d6 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@ Obscreen is a user-friendly self-hosted digital signage tool. Manage a fleet of
 
 Try it!
 
-Demo Server (Location: Roubaix - France): https://demo.obscreen.io
+Demo Server (Location: Roubaix - France): [https://demo.obscreen.io](https://demo.obscreen.io?username=admin&password=admin)
 
 It is a temporary live demo, all data will be deleted after 10 minutes. Sponsored by myself.
 
diff --git a/docker-compose.dev.yml b/docker-compose.dev.yml
index 4d15f21..0411353 100644
--- a/docker-compose.dev.yml
+++ b/docker-compose.dev.yml
@@ -9,10 +9,8 @@ services:
     environment:
       - DEBUG=${DEBUG-false}
       - PORT=${PORT-5000}
-      - PLAYER_AUTOSTART_FILE=/app/var/run/play
       - SECRET_KEY=${SECRET_KEY-ANY_SECRET_KEY_HERE}
     volumes:
       - .:/app
-      - ${PLAYER_AUTOSTART_FILE-/dev/null}:/app/var/run/play
     ports:
       - ${PORT}:${PORT}
\ No newline at end of file
diff --git a/docker-compose.headless.yml b/docker-compose.headless.yml
index 052dea2..57d8828 100644
--- a/docker-compose.headless.yml
+++ b/docker-compose.headless.yml
@@ -6,10 +6,8 @@ services:
     environment:
       - DEBUG=false
       - PORT=5000
-      - PLAYER_AUTOSTART_FILE=/app/var/run/play
       - SECRET_KEY=ANY_SECRET_KEY_HERE
     volumes:
-      - /dev/null:/app/var/run/play
       - ./data/db:/app/data/db
       - ./data/uploads:/app/data/uploads
     ports:
diff --git a/docker-compose.yml b/docker-compose.yml
index a381993..57d8828 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -6,10 +6,8 @@ services:
     environment:
       - DEBUG=false
       - PORT=5000
-      - PLAYER_AUTOSTART_FILE=/app/var/run/play
       - SECRET_KEY=ANY_SECRET_KEY_HERE
     volumes:
-      - ./var/run/play:/app/var/run/play
       - ./data/db:/app/data/db
       - ./data/uploads:/app/data/uploads
     ports:
diff --git a/docs/setup-run-headless.md b/docs/setup-run-headless.md
index 64fd81d..ccf5961 100644
--- a/docs/setup-run-headless.md
+++ b/docs/setup-run-headless.md
@@ -23,7 +23,6 @@ cd ~ && mkdir -p obscreen/data/db obscreen/data/uploads && cd obscreen
 docker run --restart=always --name obscreen --pull=always \
   -e DEBUG=false \
   -e PORT=5000 \
-  -e PLAYER_AUTOSTART_FILE=/app/var/run/play \
   -e SECRET_KEY=ANY_SECRET_KEY_HERE \
   -p 5000:5000 \
   -v ./data/db:/app/data/db \
diff --git a/docs/setup-run-on-rpi.md b/docs/setup-run-on-rpi.md
index 19e4b81..3a9e7f3 100644
--- a/docs/setup-run-on-rpi.md
+++ b/docs/setup-run-on-rpi.md
@@ -25,14 +25,10 @@ curl -sSL get.docker.com | sh && sudo usermod -aG docker $(whoami) && logout # t
 # Prepare application data file tree
 cd ~ && mkdir -p obscreen/data/db obscreen/data/uploads && cd obscreen
 
-# Prepare player autostart file
-mkdir -p var/run && touch var/run/play && chmod +x var/run/play 
-
 # Run the Docker container
 docker run --rm --name obscreen --pull=always \
   -e DEBUG=false \
   -e PORT=5000 \
-  -e PLAYER_AUTOSTART_FILE=/app/var/run/play \
   -e SECRET_KEY=ANY_SECRET_KEY_HERE \
   -p 5000:5000 \
   -v ./data/db:/app/data/db \
@@ -52,9 +48,6 @@ docker run --rm --name obscreen --pull=always \
 # Prepare application data file tree
 cd ~ && mkdir -p obscreen/data/db obscreen/data/uploads obscreen/system && cd obscreen
 
-# Prepare player autostart file
-mkdir -p var/run && touch var/run/play && chmod +x var/run/play 
-
 # Download docker-compose.yml
 curl https://raw.githubusercontent.com/jr-k/obscreen/master/docker-compose.yml > docker-compose.yml
 
diff --git a/lang/en.json b/lang/en.json
index ded0e21..b15e1df 100644
--- a/lang/en.json
+++ b/lang/en.json
@@ -226,6 +226,7 @@
   "basic_month_10": "October",
   "basic_month_11": "November",
   "basic_month_12": "December",
+  "common_bad_file_type": "Bad file type uploaded",
   "common_restart_needed": "Please restart obscreen studio (or restart the device) for the changes to take effect",
   "common_pick_element": "Pick an element",
   "common_untitled": "<untitled>",
@@ -275,9 +276,8 @@
   "enum_variable_section_general": "1. General",
   "enum_variable_section_player_options": "2. Player options",
   "enum_variable_section_player_animation": "3. Player animation",
-  "enum_variable_section_playlist": "4. Playlists",
-  "enum_variable_section_fleet": "5. Fleet management",
-  "enum_variable_section_security": "6. Security",
+  "enum_variable_section_fleet": "4. Fleet management",
+  "enum_variable_section_security": "5. Security",
   "enum_application_language_english": "English",
   "enum_application_language_french": "French",
   "enum_application_language_italian": "Italian",
diff --git a/lang/es.json b/lang/es.json
index 20e25ac..a1ef804 100644
--- a/lang/es.json
+++ b/lang/es.json
@@ -227,6 +227,7 @@
   "basic_month_10": "Octubre",
   "basic_month_11": "Noviembre",
   "basic_month_12": "Diciembre",
+  "common_bad_file_type": "Tipo de archivo incorrecto cargado",
   "common_restart_needed": "Reinicie obscreen studio (o reinicie el dispositivo) para que los cambios surtan efecto",
   "common_pick_element": "Elige un elemento",
   "common_untitled": "<sin-título>",
@@ -276,9 +277,8 @@
   "enum_variable_section_general": "1. General",
   "enum_variable_section_player_options": "2. Opciones del reproductor",
   "enum_variable_section_player_animation": "3. Animación del reproductor",
-  "enum_variable_section_playlist": "4. Playlist",
-  "enum_variable_section_fleet": "5. Gestión de flota",
-  "enum_variable_section_security": "6. Seguridad",
+  "enum_variable_section_fleet": "4. Gestión de flota",
+  "enum_variable_section_security": "5. Seguridad",
   "enum_application_language_english": "Inglés",
   "enum_application_language_french": "Francés",
   "enum_application_language_italian": "Italiano",
diff --git a/lang/fr.json b/lang/fr.json
index fee0f09..03e102b 100644
--- a/lang/fr.json
+++ b/lang/fr.json
@@ -228,6 +228,7 @@
   "basic_month_10": "Octobre",
   "basic_month_11": "Novembre",
   "basic_month_12": "Décembre",
+  "common_bad_file_type": "Type de fichier uploadé incorrect",
   "common_restart_needed": "Veuillez redémarrer obscreen studio (ou redémarrer l'appareil) pour que les changements soient pris en compte",
   "common_pick_element": "Choisissez un élément",
   "common_untitled": "<sans-titre>",
@@ -277,9 +278,8 @@
   "enum_variable_section_general": "1. Général",
   "enum_variable_section_player_options": "2. Options du lecteur",
   "enum_variable_section_player_animation": "3. Animation du lecteur",
-  "enum_variable_section_playlist": "4. Playlists",
-  "enum_variable_section_fleet": "5. Gestion de flotte",
-  "enum_variable_section_security": "6. Sécurité",
+  "enum_variable_section_fleet": "4. Gestion de flotte",
+  "enum_variable_section_security": "5. Sécurité",
   "enum_application_language_english": "Anglais",
   "enum_application_language_french": "Français",
   "enum_application_language_italian": "Italien",
diff --git a/lang/it.json b/lang/it.json
index 2fbc0de..1cebbea 100644
--- a/lang/it.json
+++ b/lang/it.json
@@ -227,6 +227,7 @@
   "basic_month_10": "Ottobre",
   "basic_month_11": "Novembre",
   "basic_month_12": "Dicembre",
+  "common_bad_file_type": "Tipo di file caricato non valido",
   "common_restart_needed": "Riavvia obscreen studio (o riavvia il dispositivo) affinché le modifiche abbiano effetto",
   "common_pick_element": "Scegli un elemento",
   "common_untitled": "<senza-titolo>",
@@ -276,9 +277,8 @@
   "enum_variable_section_general": "1. Generale",
   "enum_variable_section_player_options": "2. Opzioni monitor",
   "enum_variable_section_player_animation": "3. Animazioni monitor",
-  "enum_variable_section_playlist": "4. Playlist",
-  "enum_variable_section_fleet": "5. Gestione panoramica",
-  "enum_variable_section_security": "6. Sicurezza",
+  "enum_variable_section_fleet": "4. Gestione panoramica",
+  "enum_variable_section_security": "5. Sicurezza",
   "enum_application_language_english": "Inglese",
   "enum_application_language_french": "Francese",
   "enum_application_language_italian": "Italiano",
diff --git a/src/controller/AuthController.py b/src/controller/AuthController.py
index f438bba..984c990 100644
--- a/src/controller/AuthController.py
+++ b/src/controller/AuthController.py
@@ -48,7 +48,7 @@ class AuthController(ObController):
         return render_template(
             'auth/login.jinja.html',
             login_error=login_error,
-            last_username=request.form['username'] if 'username' in request.form else ''
+            last_username=request.form['username'] if 'username' in request.form else None
         )
 
     def logout(self):
diff --git a/src/controller/ContentController.py b/src/controller/ContentController.py
index 19ad179..9fc1ac4 100644
--- a/src/controller/ContentController.py
+++ b/src/controller/ContentController.py
@@ -63,8 +63,11 @@ class ContentController(ObController):
 
     def slideshow_content_add(self):
         working_folder_path, working_folder = self.get_working_folder()
+        route_args = {
+            "path": working_folder_path,
+        }
 
-        self._model_store.content().add_form_raw(
+        content = self._model_store.content().add_form_raw(
             name=request.form['name'],
             type=str_to_enum(request.form['type'], ContentType),
             request_files=request.files,
@@ -73,7 +76,10 @@ class ContentController(ObController):
             folder_id=working_folder.id if working_folder else None
         )
 
-        return redirect(url_for('slideshow_content_list', path=working_folder_path))
+        if not content:
+            route_args["error"] = 'common_bad_file_type'
+
+        return redirect(url_for('slideshow_content_list', **route_args))
 
     def slideshow_content_upload_bulk(self):
         working_folder_path, working_folder = self.get_working_folder()
diff --git a/src/controller/PlayerController.py b/src/controller/PlayerController.py
index 3d72c50..1fd3e26 100644
--- a/src/controller/PlayerController.py
+++ b/src/controller/PlayerController.py
@@ -64,6 +64,7 @@ class PlayerController(ObController):
         return render_template(
             'player/default.jinja.html',
             interfaces=[iface['ip_address'] for iface in get_network_interfaces()],
+            external_url=self._model_store.variable().get_one_by_name('external_url').as_string().strip(),
             time_with_seconds=self._model_store.variable().get_one_by_name('default_slide_time_with_seconds'),
             noplaylist=request.args.get('noplaylist', '0') == '1'
         )
diff --git a/src/controller/SysinfoController.py b/src/controller/SysinfoController.py
index b0fad80..5f690fc 100644
--- a/src/controller/SysinfoController.py
+++ b/src/controller/SysinfoController.py
@@ -68,5 +68,6 @@ class SysinfoController(ObController):
 
     def sysinfo_get_ipaddr(self):
         return jsonify({
+            'external_url': self._model_store.variable().get_one_by_name('external_url').as_string().strip(),
             'interfaces': [iface['ip_address'] for iface in get_network_interfaces()]
         })
diff --git a/src/manager/ConfigManager.py b/src/manager/ConfigManager.py
index c4735b2..c036afc 100644
--- a/src/manager/ConfigManager.py
+++ b/src/manager/ConfigManager.py
@@ -1,33 +1,27 @@
-import re
 import os
 import sys
 import logging
 import argparse
 
-from src.manager.VariableManager import VariableManager
-from src.util.utils import am_i_in_docker
 from dotenv import load_dotenv
 load_dotenv()
 
 class ConfigManager:
 
     DEFAULT_PORT = 5000
-    DEFAULT_PLAYER_AUTOSTART_PATH = './var/run/play'
     VERSION_FILE = 'version.txt'
 
-    def __init__(self, variable_manager: VariableManager):
-        self._variable_manager = variable_manager
+    def __init__(self):
         self._CONFIG = {
             'version': None,
+            'demo': False,
             'port': self.DEFAULT_PORT,
             'bind': '0.0.0.0',
             'debug': False,
-            'player_autostart_file': self.DEFAULT_PLAYER_AUTOSTART_PATH,
             'log_file': None,
             'log_level': 'INFO',
             'log_stdout': True,
             'secret_key': 'ANY_SECRET_KEY_HERE',
-            'player_url': 'http://localhost:{}'.format(self.DEFAULT_PORT)
         }
 
         self.load_version()
@@ -36,8 +30,6 @@ class ConfigManager:
 
         self._CONFIG['port'] = self._CONFIG['port'] if self._CONFIG['port'] else self.DEFAULT_PORT
 
-        self.autoconfigure()
-
         if self.map().get('debug'):
             logging.debug(self._CONFIG)
 
@@ -50,10 +42,10 @@ class ConfigManager:
         parser.add_argument('--port', '-p', default=self._CONFIG['port'], help='Application port')
         parser.add_argument('--bind', '-b', default=self._CONFIG['bind'], help='Application bind address')
         parser.add_argument('--secret-key', '-s', default=self._CONFIG['secret_key'], help='Application secret key (any random string)')
-        parser.add_argument('--player-autostart-file', '-x', default=self._CONFIG['player_autostart_file'], help='Path to player autostart file')
         parser.add_argument('--log-file', '-lf', default=self._CONFIG['log_file'], help='Log File path')
         parser.add_argument('--log-level', '-ll', default=self._CONFIG['log_level'], help='Log Level')
         parser.add_argument('--log-stdout', '-ls', default=self._CONFIG['log_stdout'], action='store_true', help='Log to standard output')
+        parser.add_argument('--demo', '-o', default=self._CONFIG['demo'], help='Demo mode to showcase obscreen in a sandbox')
         parser.add_argument('--version', '-v', default=None, action='store_true', help='Get version number')
 
         return parser.parse_args()
@@ -67,8 +59,8 @@ class ConfigManager:
 
         if args.debug:
             self._CONFIG['debug'] = args.debug
-        if args.player_autostart_file:
-            self._CONFIG['player_autostart_file'] = args.player_autostart_file
+        if args.demo:
+            self._CONFIG['demo'] = args.demo
         if args.log_file:
             self._CONFIG['log_file'] = args.log_file
         if args.secret_key:
@@ -91,60 +83,3 @@ class ConfigManager:
                     value = True
                 self._CONFIG[key.lower()] = value
                 logging.info(f"Env var {key} has been found")
-
-    def autoconfigure(self) -> None:
-        self.autoconfigure_player_url()
-
-        if self.map().get('player_autostart_file'):
-            self.autoconfigure_player_autostart_file()
-
-
-    def autoconfigure_player_url(self) -> str:
-        self._CONFIG['player_url'] = 'http://localhost:{}'.format(self.map().get('port'))
-
-        return self._CONFIG['player_url']
-
-    def autoconfigure_player_autostart_file(self) -> None:
-        path = self.map().get('player_autostart_file')
-        in_docker = am_i_in_docker()
-        player_autostart_path = self.DEFAULT_PLAYER_AUTOSTART_PATH if in_docker else path
-
-        if os.path.isdir(path) or not os.path.exists(path):
-            if not in_docker:
-                open(player_autostart_path, 'a').close()
-            else:
-                logging.error(
-                    "Player autostart file {} doesn't exist on your server'\n".format(
-                        player_autostart_path
-                    )
-                )
-                sys.exit(1)
-        else:
-            logging.info("Overriding player autostart file {}".format(player_autostart_path))
-
-        player_url = self.map().get('player_url')
-        os.makedirs(os.path.dirname(player_autostart_path), exist_ok=True)
-        xenv_presets = """#!/bin/bash
-
-# Disable screensaver and DPMS
-xset s off
-xset -dpms
-xset s noblank
-
-# Start unclutter to hide the mouse cursor
-unclutter -display :0 -noevents -grab &
-
-# Modify Chromium preferences to avoid restore messages
-mkdir -p __HOME__/.config/chromium/Default 2>/dev/null
-touch __HOME__/.config/chromium/Default/Preferences
-sed -i 's/"exited_cleanly": false/"exited_cleanly": true/' __HOME__/.config/chromium/Default/Preferences
-
-RESOLUTION=$(DISPLAY=:0 xrandr | grep '*' | awk '{print $1}')
-WIDTH=$(echo $RESOLUTION | cut -d 'x' -f 1)
-HEIGHT=$(echo $RESOLUTION | cut -d 'x' -f 2)
-
-# Start Chromium in kiosk mode
-chromium-browser --disable-features=Translate --ignore-certificate-errors --disable-web-security --disable-restore-session-state --autoplay-policy=no-user-gesture-required --start-maximized --allow-running-insecure-content --remember-cert-error-decisions --noerrdialogs --kiosk --incognito --window-position=0,0 --window-size=${WIDTH},${HEIGHT} --display=:0 __PLAYER_URL__
-        """.replace('__PLAYER_URL__', player_url).replace('__HOME__', os.environ['HOME'])
-        with open(player_autostart_path, 'w') as file:
-            file.write(xenv_presets)
diff --git a/src/manager/ContentManager.py b/src/manager/ContentManager.py
index 9cee23e..31e624f 100644
--- a/src/manager/ContentManager.py
+++ b/src/manager/ContentManager.py
@@ -177,6 +177,11 @@ class ContentManager(ModelManager):
             if not object or object.filename == '':
                 return None
 
+            guessed_type = ContentType.guess_content_type_file(object)
+
+            if not guessed_type or guessed_type != type:
+                return None
+
             if object:
                 object.seek(0)
                 object_name = randomize_filename(object.filename)
diff --git a/src/manager/VariableManager.py b/src/manager/VariableManager.py
index ee68894..fdf7311 100644
--- a/src/manager/VariableManager.py
+++ b/src/manager/VariableManager.py
@@ -5,6 +5,7 @@ from typing import Dict, Optional, List, Tuple, Union
 
 from src.manager.DatabaseManager import DatabaseManager
 from src.manager.LangManager import LangManager
+from src.manager.ConfigManager import ConfigManager
 from src.manager.UserManager import UserManager
 from src.model.entity.Variable import Variable
 from src.model.entity.Selectable import Selectable
@@ -38,9 +39,10 @@ class VariableManager:
         "value TEXT"
     ]
 
-    def __init__(self, lang_manager: LangManager, database_manager: DatabaseManager, user_manager: UserManager):
+    def __init__(self, lang_manager: LangManager, database_manager: DatabaseManager, user_manager: UserManager, config_manager: ConfigManager):
         self._lang_manager = lang_manager
         self._user_manager = user_manager
+        self._config_manager = config_manager
         self._db = database_manager.open(self.TABLE_NAME, self.TABLE_MODEL)
         self._var_map = {}
         self.reload()
@@ -94,6 +96,9 @@ class VariableManager:
             if variable.refresh_player != default_var['refresh_player']:
                 self._db.update_by_id(self.TABLE_NAME, variable.id, {"refresh_player": default_var['refresh_player']})
 
+            if variable.editable != default_var['editable']:
+                self._db.update_by_id(self.TABLE_NAME, variable.id, {"editable": default_var['editable']})
+
             if not same_selectables_keys or not same_selectables_label:
                 self._db.update_by_id(self.TABLE_NAME, variable.id, {"selectables": default_var['selectables']})
 
@@ -103,13 +108,15 @@ class VariableManager:
         return variable
 
     def reload(self) -> None:
+        demo = self._config_manager.map().get('demo')
+
         default_vars = [
             # Editable (Customizable settings)
 
             ### General
             {"name": "lang", "section": self.t(VariableSection.GENERAL), "value": "en", "type": VariableType.SELECT_SINGLE, "editable": True, "description": self.t('settings_variable_desc_lang'), "selectables": self.t(ApplicationLanguage), "refresh_player": False},
-            {"name": "external_url", "section": self.t(VariableSection.GENERAL), "value": "", "type": VariableType.STRING, "editable": True, "description": self.t('settings_variable_desc_external_url'), "refresh_player": False},
-            {"name": "slide_upload_limit", "section": self.t(VariableSection.GENERAL), "value": 32, "unit": VariableUnit.MEGABYTE,  "type": VariableType.INT, "editable": True, "description": self.t('settings_variable_desc_slide_upload_limit'), "refresh_player": False},
+            {"name": "external_url", "section": self.t(VariableSection.GENERAL), "value": "", "type": VariableType.STRING, "editable": False if demo else True, "description": self.t('settings_variable_desc_external_url'), "refresh_player": False},
+            {"name": "slide_upload_limit", "section": self.t(VariableSection.GENERAL), "value": 32, "unit": VariableUnit.MEGABYTE,  "type": VariableType.INT, "editable": False if demo else True, "description": self.t('settings_variable_desc_slide_upload_limit'), "refresh_player": False},
             {"name": "dark_mode", "section": self.t(VariableSection.GENERAL), "value": True, "type": VariableType.BOOL, "editable": True, "description": self.t('settings_variable_desc_dark_mode'), "refresh_player": False},
 
             ### Player Options
@@ -209,6 +216,16 @@ class VariableManager:
         return self.get_by(query="editable = 0", sort="name")
 
     def update_form(self, id: int, value: Union[int, bool, str]) -> None:
+        variable = self.get(id)
+
+        if not variable:
+            if var.name in self._var_map:
+                del self._var_map[var.name]
+            return None
+
+        if not variable.editable:
+            return None
+
         self._db.update_by_id(self.TABLE_NAME, id, {"value": value})
         var = self.get_one_by("id = {}".format(id))
         self._var_map[var.name] = var
diff --git a/src/service/ModelStore.py b/src/service/ModelStore.py
index 8dea041..86fbe48 100644
--- a/src/service/ModelStore.py
+++ b/src/service/ModelStore.py
@@ -19,19 +19,19 @@ class ModelStore:
     def __init__(self, get_plugins: Dict):
         self._get_plugins = get_plugins
 
+        # Core
+        self._config_manager = ConfigManager()
+        self._logging_manager = LoggingManager(config_manager=self._config_manager)
+
         # Pure
         self._lang_manager = LangManager()
         self._database_manager = DatabaseManager()
 
         # Dynamics
         self._user_manager = UserManager(lang_manager=self._lang_manager, database_manager=self._database_manager, on_user_delete=self.on_user_delete)
-        self._variable_manager = VariableManager(lang_manager=self._lang_manager, database_manager=self._database_manager, user_manager=self._user_manager)
+        self._variable_manager = VariableManager(lang_manager=self._lang_manager, database_manager=self._database_manager, user_manager=self._user_manager, config_manager=self._config_manager)
         self._lang_manager.set_lang(self.variable().map().get('lang').as_string())
 
-        # Core
-        self._config_manager = ConfigManager(variable_manager=self._variable_manager)
-        self._logging_manager = LoggingManager(config_manager=self._config_manager)
-
         # Model
         self._folder_manager = FolderManager(lang_manager=self._lang_manager, database_manager=self._database_manager, user_manager=self._user_manager, variable_manager=self._variable_manager)
         self._node_player_manager = NodePlayerManager(lang_manager=self._lang_manager, database_manager=self._database_manager, user_manager=self._user_manager, variable_manager=self._variable_manager)
diff --git a/views/auth/login.jinja.html b/views/auth/login.jinja.html
index e885646..5a4efc5 100644
--- a/views/auth/login.jinja.html
+++ b/views/auth/login.jinja.html
@@ -29,13 +29,13 @@
                     <div class="form-group">
                         <label for="password">{{ l.login_form_username }}</label>
                         <div class="widget">
-                            <input type="text" name="username" required="required" value="{{ last_username }}" />
+                            <input type="text" name="username" required="required" value="{{ last_username|d(request.args.get('username', ''), True) }}" />
                         </div>
                     </div>
                     <div class="form-group">
                         <label for="password">{{ l.login_form_password }}</label>
                         <div class="widget">
-                            <input type="password" name="password" required="required"/>
+                            <input type="password" name="password" required="required" value="{{ request.args.get('password', '') }}" />
                         </div>
                     </div>
                     <div class="actions actions-center">
diff --git a/views/configuration/sysinfo/list.jinja.html b/views/configuration/sysinfo/list.jinja.html
index e1de33c..0e537b6 100644
--- a/views/configuration/sysinfo/list.jinja.html
+++ b/views/configuration/sysinfo/list.jinja.html
@@ -52,9 +52,9 @@
                                 {% if ro_variable.value %}
                                     {% if ro_variable.type.value == 'bool' %}
                                         {% if ro_variable.display() %}
-                                            ✅
+                                            <i class="fa fa-check alert alert-success alert-icon icon-value"></i>
                                         {% else %}
-                                            ❌
+                                            <i class="fa fa-times alert alert-error alert-icon icon-value"></i>
                                         {% endif %}
                                     {% else %}
                                         {{ ro_variable.display() }}
@@ -78,9 +78,9 @@
                             <td class="description">{{ env_key.replace('_',' ')|capitalize }}</td>
                             <td class="value">
                                 {% if env_value == true %}
-                                    ✅
+                                    <i class="fa fa-check alert alert-success alert-icon icon-value"></i>
                                 {% elif env_value == false %}
-                                    ❌
+                                    <i class="fa fa-times alert alert-error alert-icon icon-value"></i>
                                 {% elif env_value == none %}
                                     <span class="empty">{{ l.common_empty }}</span>
                                 {% else %}
diff --git a/views/player/default.jinja.html b/views/player/default.jinja.html
index 5e54297..4ff87b9 100755
--- a/views/player/default.jinja.html
+++ b/views/player/default.jinja.html
@@ -3,6 +3,7 @@
     <head>
         <script type="text/javascript">
             const time_with_seconds = {{ 'true' if time_with_seconds.as_bool() else 'false' }};
+            let external_url = '{{ external_url }}';
 
             function updateTime() {
                 const date = new Date();
@@ -13,11 +14,11 @@
                 const month = date.getMonth();
                 const year = date.getFullYear();
                 const day = date.getDay();
-                const dayLabels = ["{{l.basic_day_7}}", "{{l.basic_day_1}}", "{{l.basic_day_2}}", "{{l.basic_day_3}}", "{{l.basic_day_4}}", "{{l.basic_day_5}}", "{{l.basic_day_6}}"];
-                const monthLabels = ["{{l.basic_month_1}}", "{{l.basic_month_2}}", "{{l.basic_month_3}}", "{{l.basic_month_4}}", "{{l.basic_month_5}}", "{{l.basic_month_6}}", "{{l.basic_month_7}}", "{{l.basic_month_8}}", "{{l.basic_month_9}}", "{{l.basic_month_10}}", "{{l.basic_month_11}}", "{{l.basic_month_12}}"];
+                const day_labels = ["{{l.basic_day_7}}", "{{l.basic_day_1}}", "{{l.basic_day_2}}", "{{l.basic_day_3}}", "{{l.basic_day_4}}", "{{l.basic_day_5}}", "{{l.basic_day_6}}"];
+                const month_labels = ["{{l.basic_month_1}}", "{{l.basic_month_2}}", "{{l.basic_month_3}}", "{{l.basic_month_4}}", "{{l.basic_month_5}}", "{{l.basic_month_6}}", "{{l.basic_month_7}}", "{{l.basic_month_8}}", "{{l.basic_month_9}}", "{{l.basic_month_10}}", "{{l.basic_month_11}}", "{{l.basic_month_12}}"];
 
                 const timeLabel = hours + ":" + minutes + (time_with_seconds ? ':' + seconds : '');
-                const dateLabel = dayLabels[day] + " " + dayInMonth + " " + monthLabels[month] + " " + year;
+                const dateLabel = day_labels[day] + " " + dayInMonth + " " + month_labels[month] + " " + year;
 
                 document.getElementById('time').innerHTML = timeLabel;
                 document.getElementById('date').innerHTML = dateLabel;
@@ -32,8 +33,9 @@
                 xhr.open("GET", "{{ url_for('sysinfo_get_ipaddr') }}", true);
                 xhr.onreadystatechange = function () {
                     if (xhr.readyState === 4 && xhr.status === 200) {
-                        const jsonResponse = JSON.parse(xhr.responseText);
-                        setIps(jsonResponse.interfaces)
+                        const json_response = JSON.parse(xhr.responseText);
+                        external_url = json_response.external_url;
+                        setIps(json_response.interfaces)
                     }
                 };
                 xhr.send();
@@ -51,6 +53,8 @@
             .ipaddr a { text-decoration: none; font-weight: normal; font-size: 1.2em; color: #666; transition: .1s ease-in all; display:block; flex-direction:row; align-self: stretch; flex: 1; text-align: center; margin: 0 20px; border-radius: 6px; padding: 10px 0; }
             .ipaddr a span { color: white; font-size: 1.2em; }
             .ipaddr a:hover { color: #fff; background: #017BFF; }
+            .ipaddr a.external { color: #017BFF; }
+            .ipaddr a.external:hover { background: #FFFFFF; }
             #hidden-container { display: none; }
         </style>
     </head>
@@ -82,21 +86,29 @@
                     Object.assign($ipaddrs, { className: 'ipaddrs'});
                     $container.appendChild($ipaddrs);
 
+                    if (external_url.length) {
+                        addLink($ipaddrs, external_url, external_url, 'external');
+                    }
+
                     for (let i = 0; i < ips.length; i++) {
-                        addIp(ips[i], $ipaddrs);
+                        addIp($ipaddrs, ips[i]);
                     }
                 }
             };
 
-            const addIp = function(ip, $container) {
+            const addIp = function($container, ip) {
                 const href_label = manage_url_template.replace('%ipaddr%', '<span>'+ip+'</span>');
                 const href = manage_url_template.replace('%ipaddr%', ip);
-                const link = '<a href="' + href + '" target="_blank">' + href_label + '</a>';
+                addLink($container, href_label, href, 'ip');
+            };
+
+            const addLink = function($container, href_label, href, classname) {
+                const link = '<a href="' + href + '" target="_blank" class="' + classname + '">' + href_label + '</a>';
                 const $ipaddr = document.createElement('li');
                 Object.assign($ipaddr, { className: 'ipaddr'});
                 $ipaddr.innerHTML = link;
                 $container.appendChild($ipaddr);
-            }
+            };
 
             setIps(interfaces);
         </script>
diff --git a/views/slideshow/contents/list.jinja.html b/views/slideshow/contents/list.jinja.html
index a9cb838..b1dc924 100644
--- a/views/slideshow/contents/list.jinja.html
+++ b/views/slideshow/contents/list.jinja.html
@@ -95,6 +95,11 @@
             <i class="fa fa-warning icon-left"></i>
             {{ l.slideshow_content_referenced_in_slide_error }}
         </div>
+    {% elif request.args.get('error') %}
+        <div class="alert alert-danger">
+            <i class="fa fa-warning icon-left"></i>
+            {{ t(request.args.get('error')) }}
+        </div>
     {% else %}
         <div class="alert alert-danger hidden"></div>
     {% endif %}