diff --git a/app/Helpers/ConfigHelper.php b/app/Helpers/ConfigHelper.php
index 43ec37a..18b8fc2 100644
--- a/app/Helpers/ConfigHelper.php
+++ b/app/Helpers/ConfigHelper.php
@@ -90,6 +90,7 @@ class ConfigHelper
             'recaptcha_enabled_registration' => false,
             'recaptcha_secret_key' => '',
             'recaptcha_site_key' => '',
+            'remove_copyright' => false,
             'require_email_verification' => true,
             'restrict_original_download' => true,
             'sender_address' => sprintf('hostmaster@%s', (isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : 'localhost')),
diff --git a/app/Http/Controllers/Admin/AlbumController.php b/app/Http/Controllers/Admin/AlbumController.php
index 92e05e0..1131ac6 100644
--- a/app/Http/Controllers/Admin/AlbumController.php
+++ b/app/Http/Controllers/Admin/AlbumController.php
@@ -16,12 +16,14 @@ use Illuminate\Http\Request;
 use Illuminate\Support\Facades\App;
 use Illuminate\Support\Facades\Auth;
 use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\View;
 
 class AlbumController extends Controller
 {
     public function __construct()
     {
         $this->middleware('auth');
+        View::share('is_admin', true);
     }
 
     public function analyse($id)
diff --git a/app/Http/Controllers/Admin/DefaultController.php b/app/Http/Controllers/Admin/DefaultController.php
index 65eb404..0f0fc6c 100644
--- a/app/Http/Controllers/Admin/DefaultController.php
+++ b/app/Http/Controllers/Admin/DefaultController.php
@@ -17,12 +17,14 @@ use Illuminate\Support\Facades\App;
 use Illuminate\Support\Facades\Auth;
 use Illuminate\Support\Facades\DB;
 use Illuminate\Support\Facades\Mail;
+use Illuminate\Support\Facades\View;
 
 class DefaultController extends Controller
 {
     public function __construct()
     {
         $this->middleware('auth');
+        View::share('is_admin', true);
     }
 
     public function index()
@@ -56,6 +58,7 @@ class DefaultController extends Controller
             'allow_self_registration',
             'hotlink_protection',
             'recaptcha_enabled_registration',
+            'remove_copyright',
             'require_email_verification',
             'restrict_original_download',
             'smtp_encryption',
diff --git a/app/Http/Controllers/Admin/PhotoController.php b/app/Http/Controllers/Admin/PhotoController.php
index 49b271e..018af20 100644
--- a/app/Http/Controllers/Admin/PhotoController.php
+++ b/app/Http/Controllers/Admin/PhotoController.php
@@ -18,6 +18,7 @@ use Illuminate\Http\UploadedFile;
 use Illuminate\Support\Facades\App;
 use Illuminate\Support\Facades\Auth;
 use Illuminate\Support\Facades\Log;
+use Illuminate\Support\Facades\View;
 use Symfony\Component\Finder\Iterator\RecursiveDirectoryIterator;
 use Symfony\Component\HttpFoundation\File\File;
 
@@ -26,6 +27,7 @@ class PhotoController extends Controller
     public function __construct()
     {
         $this->middleware(['auth', 'max_post_size_exceeded']);
+        View::share('is_admin', true);
     }
 
     public function analyse($photoId)
diff --git a/app/Http/Controllers/Admin/StorageController.php b/app/Http/Controllers/Admin/StorageController.php
index 1252f2b..978ea16 100644
--- a/app/Http/Controllers/Admin/StorageController.php
+++ b/app/Http/Controllers/Admin/StorageController.php
@@ -10,12 +10,14 @@ use Illuminate\Http\Request;
 use App\Http\Requests;
 use App\Http\Controllers\Controller;
 use Illuminate\Support\Facades\App;
+use Illuminate\Support\Facades\View;
 
 class StorageController extends Controller
 {
     public function __construct()
     {
         $this->middleware('auth');
+        View::share('is_admin', true);
     }
 
     /**
diff --git a/app/Http/Controllers/Admin/UserController.php b/app/Http/Controllers/Admin/UserController.php
index 8c1f693..5166cc5 100644
--- a/app/Http/Controllers/Admin/UserController.php
+++ b/app/Http/Controllers/Admin/UserController.php
@@ -11,9 +11,16 @@ use App\Http\Controllers\Controller;
 use Illuminate\Http\Request;
 use Illuminate\Support\Facades\App;
 use Illuminate\Support\Facades\Auth;
+use Illuminate\Support\Facades\View;
 
 class UserController extends Controller
 {
+    public function __construct()
+    {
+        $this->middleware('auth');
+        View::share('is_admin', true);
+    }
+
     public function delete(Request $request, $id)
     {
         $this->authorize('admin-access');
diff --git a/app/Http/Middleware/GlobalConfiguration.php b/app/Http/Middleware/GlobalConfiguration.php
index c09545f..c547956 100644
--- a/app/Http/Middleware/GlobalConfiguration.php
+++ b/app/Http/Middleware/GlobalConfiguration.php
@@ -42,6 +42,7 @@ class GlobalConfiguration
         // When running migrations, CLI tasks or the installer, don't need to add things to the view
         if (php_sapi_name() != 'cli')
         {
+            $this->addLicenseInfoToView();
             $this->addThemeInfoToView();
             $this->addAlbumsToView();
         }
@@ -58,6 +59,21 @@ class GlobalConfiguration
         View::share('albums', $albums);
     }
 
+    private function addLicenseInfoToView()
+    {
+        $licenseName = null;
+        $licenseNo = null;
+
+        if (function_exists('sg_get_const'))
+        {
+            $licenseName = sg_get_const('license_name');
+            $licenseNo = sg_get_const('license_number');
+        }
+
+        View::share('license_name', strlen($licenseName) == 0 ? '**UNLICENSED**' : $licenseName);
+        View::share('license_no', strlen($licenseNo) == 0 ? '0' : $licenseNo);
+    }
+
     private function addThemeInfoToView()
     {
         $themeInfo = Theme::info();
diff --git a/resources/lang/en/global.php b/resources/lang/en/global.php
index 2f6f06f..67791ce 100644
--- a/resources/lang/en/global.php
+++ b/resources/lang/en/global.php
@@ -4,7 +4,11 @@ return [
         'filesystem' => 'Local filesystem'
     ],
     'app_name' => 'Blue Twilight',
+    'copyright' => '© :years :link_startAndy Heathershaw:link_end',
+    'licensed_to' => 'Licensed to :name (:number)',
+    'version_number' => 'Version :version',
     'post_max_exceeded' => 'Your upload exceeded the maximum size the web server is configured to allow. Please check the value of the "post_max_size" parameter in php.ini.',
+    'powered_by' => 'Powered by :link_startBlue Twilight:link_end - the self-hosted photo gallery software.',
     'units' => [
         'megabytes' => 'MB'
     ]
diff --git a/resources/views/themes/base/admin/settings.blade.php b/resources/views/themes/base/admin/settings.blade.php
index d017d86..7b08fa8 100644
--- a/resources/views/themes/base/admin/settings.blade.php
+++ b/resources/views/themes/base/admin/settings.blade.php
@@ -56,6 +56,20 @@
                                         </div>
                                     </div>
                                 </div>
+
+                                <hr/>
+                                <fieldset>
+                                    <legend>&quot;Powered by&quot; footer link</legend>
+                                    <p>To help spread the word about Blue Twilight, I'd really appreciate it if you left the &quot;Powered by&quot; notice in your gallery's footer.</p>
+                                    <p>This is not compulsory, however, and you may remove it by checking the box below.</p>
+
+                                    <div class="checkbox" style="margin-top: 20px;">
+                                        <label>
+                                            <input type="checkbox" name="remove_copyright" @if (UserConfig::get('remove_copyright'))checked="checked"@endif>
+                                            <strong>Remove &quot;Powered by&quot; notice from the public gallery</strong>
+                                        </label>
+                                    </div>
+                                </fieldset>
                             </div>
 
                             {{-- E-mail --}}
diff --git a/resources/views/themes/base/layout.blade.php b/resources/views/themes/base/layout.blade.php
index fa59bd2..47fa6b5 100644
--- a/resources/views/themes/base/layout.blade.php
+++ b/resources/views/themes/base/layout.blade.php
@@ -62,6 +62,12 @@
             @endif
 
             @yield('content')
+
+            @if (isset($is_admin) && $is_admin)
+                @include(\App\Facade\Theme::viewName('partials.copyright_admin'))
+            @elseif (!\App\Facade\UserConfig::get('remove_copyright'))
+                @include(\App\Facade\Theme::viewName('partials.copyright_gallery'))
+            @endif
         </div>
 
         {{-- Cannot use $theme_url here: if a theme uses the base layout, it would also have to provide all these dependencies! --}}
diff --git a/resources/views/themes/base/partials/copyright_admin.blade.php b/resources/views/themes/base/partials/copyright_admin.blade.php
new file mode 100644
index 0000000..ba41eec
--- /dev/null
+++ b/resources/views/themes/base/partials/copyright_admin.blade.php
@@ -0,0 +1,24 @@
+<div class="container" style="margin-top: 40px;">
+    <div class="row">
+        <div class="col-xs-12">
+            <hr/>
+            <p style="font-size: smaller;">
+                <b>
+                    @lang('global.powered_by', [
+                        'link_start' => '<a href="http://www.andyheathershaw.uk/blue-twilight" target="_blank">',
+                        'link_end' => '</a>',
+                    ])
+                </b><br/>
+                @lang('global.copyright', [
+                    'link_start' => '<a href="http://www.andyheathershaw.uk/" target="_blank">',
+                    'link_end' => '</a>',
+                    'years' => (date('Y') == 2016 ? '2016' : '2016-' . date('Y'))
+                ])
+            </p>
+            <p style="font-size: smaller;">
+                @lang('global.licensed_to', ['name' => $license_name, 'number' => $license_no])<br/>
+                @lang('global.version_number', ['version' => config('app.version')])
+            </p>
+        </div>
+    </div>
+</div>
\ No newline at end of file
diff --git a/resources/views/themes/base/partials/copyright_gallery.blade.php b/resources/views/themes/base/partials/copyright_gallery.blade.php
new file mode 100644
index 0000000..3d84e00
--- /dev/null
+++ b/resources/views/themes/base/partials/copyright_gallery.blade.php
@@ -0,0 +1,20 @@
+<div class="container" style="margin-top: 40px;">
+    <div class="row">
+        <div class="col-xs-12">
+            <hr/>
+            <p style="font-size: smaller;">
+                <b>
+                    @lang('global.powered_by', [
+                        'link_start' => '<a href="http://www.andyheathershaw.uk/blue-twilight" target="_blank">',
+                        'link_end' => '</a>',
+                    ])
+                </b><br/>
+                @lang('global.copyright', [
+                    'link_start' => '<a href="http://www.andyheathershaw.uk/" target="_blank">',
+                    'link_end' => '</a>',
+                    'years' => (date('Y') == 2016 ? '2016' : '2016-' . date('Y'))
+                ])
+            </p>
+        </div>
+    </div>
+</div>
\ No newline at end of file