diff --git a/FoxTube/Classes/AdSizeTrigger.cs b/FoxTube/Classes/AdSizeTrigger.cs
new file mode 100644
index 0000000..380cda6
--- /dev/null
+++ b/FoxTube/Classes/AdSizeTrigger.cs
@@ -0,0 +1,20 @@
+using FoxTube.Controls;
+using Windows.UI.Xaml;
+
+namespace FoxTube.Classes
+{
+    public class AdSizeTrigger : StateTriggerBase
+    {
+        private Advert _class;
+
+        public Advert Class
+        {
+            get { return _class; }
+            set
+            {
+                _class = value;
+                SetActive(!_class.OverrideSize);
+            }
+        }
+    }
+}
diff --git a/FoxTube/Classes/SecretsVault.cs b/FoxTube/Classes/SecretsVault.cs
index 09d1e82..9e49c12 100644
--- a/FoxTube/Classes/SecretsVault.cs
+++ b/FoxTube/Classes/SecretsVault.cs
@@ -282,7 +282,8 @@ namespace FoxTube
             if(!purchased)
             {
                 AdsDisabled = false;
-                NotPurchased.Invoke();
+                if(NotPurchased != null)
+                    NotPurchased.Invoke();
             }
         }
 
diff --git a/FoxTube/Controls/Advert.xaml b/FoxTube/Controls/Advert.xaml
index f1eb237..0db12aa 100644
--- a/FoxTube/Controls/Advert.xaml
+++ b/FoxTube/Controls/Advert.xaml
@@ -5,7 +5,8 @@
     xmlns:ad="using:Microsoft.Advertising.WinRT.UI"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
-    mc:Ignorable="d">
+    mc:Ignorable="d"
+    xmlns:classes="using:FoxTube.Classes">
 
     <Grid>
         <VisualStateManager.VisualStateGroups>
@@ -13,6 +14,7 @@
                 <VisualState>
                     <VisualState.StateTriggers>
                         <AdaptiveTrigger MinWindowWidth="320"/>
+                        <classes:AdSizeTrigger Class="{x:Bind Instance}"/>
                     </VisualState.StateTriggers>
 
                     <VisualState.Setters>
@@ -20,10 +22,10 @@
                         <Setter Target="ad.Height" Value="50"/>
                     </VisualState.Setters>
                 </VisualState>
-
                 <VisualState>
                     <VisualState.StateTriggers>
                         <AdaptiveTrigger MinWindowWidth="640"/>
+                        <classes:AdSizeTrigger Class="{x:Bind Instance}"/>
                     </VisualState.StateTriggers>
 
                     <VisualState.Setters>
@@ -31,10 +33,10 @@
                         <Setter Target="ad.Height" Value="100"/>
                     </VisualState.Setters>
                 </VisualState>
-
                 <VisualState>
                     <VisualState.StateTriggers>
                         <AdaptiveTrigger MinWindowWidth="728"/>
+                        <classes:AdSizeTrigger Class="{x:Bind Instance}"/>
                     </VisualState.StateTriggers>
 
                     <VisualState.Setters>
@@ -44,9 +46,14 @@
                 </VisualState>
             </VisualStateGroup>
         </VisualStateManager.VisualStateGroups>
-        <ad:AdControl Name="ad" ApplicationId="{x:Bind AppId}"
+        <Grid.RowDefinitions>
+            <RowDefinition Height="auto"/>
+            <RowDefinition/>
+        </Grid.RowDefinitions>
+        <ad:AdControl VerticalAlignment="Top"
+            Name="ad" ApplicationId="{x:Bind AppId}"
             AdUnitId="{x:Bind AdUnitId}"
-            Height="50"
-            Width="300"/>
+            Height="{x:Bind Height}"
+            Width="{x:Bind Width}"/>
     </Grid>
 </UserControl>
diff --git a/FoxTube/Controls/Advert.xaml.cs b/FoxTube/Controls/Advert.xaml.cs
index d8a7724..05276aa 100644
--- a/FoxTube/Controls/Advert.xaml.cs
+++ b/FoxTube/Controls/Advert.xaml.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Diagnostics;
 using System.IO;
 using System.Linq;
 using System.Runtime.InteropServices.WindowsRuntime;
@@ -21,6 +22,12 @@ namespace FoxTube.Controls
     {
         public string AdUnitId { get; set; } = "test";
         public string AppId => "3f83fe91-d6be-434d-a0ae-7351c5a997f1";
+        public bool OverrideSize { get; set; } = false;
+        public Advert Instance => this;
+
+        public int Height { get; set; } = 50;
+        public int Width { get; set; } = 300;
+
         public Advert()
         {
             this.InitializeComponent();
diff --git a/FoxTube/FoxTube.csproj b/FoxTube/FoxTube.csproj
index fd5e489..99aa405 100644
--- a/FoxTube/FoxTube.csproj
+++ b/FoxTube/FoxTube.csproj
@@ -96,6 +96,7 @@
     <Compile Include="App.xaml.cs">
       <DependentUpon>App.xaml</DependentUpon>
     </Compile>
+    <Compile Include="Classes\AdSizeTrigger.cs" />
     <Compile Include="Classes\Caption.cs" />
     <Compile Include="Classes\DownloadItemContainer.cs" />
     <Compile Include="Classes\InboxItem.cs" />
@@ -432,7 +433,7 @@
       <Version>4.3.2</Version>
     </PackageReference>
     <PackageReference Include="YoutubeExplode">
-      <Version>4.4.0</Version>
+      <Version>4.5.1</Version>
     </PackageReference>
     <PackageReference Include="YoutubeExtractor">
       <Version>0.10.11</Version>
diff --git a/FoxTube/Pages/MainPage.xaml.cs b/FoxTube/Pages/MainPage.xaml.cs
index 611833e..fe5a2bb 100644
--- a/FoxTube/Pages/MainPage.xaml.cs
+++ b/FoxTube/Pages/MainPage.xaml.cs
@@ -93,7 +93,9 @@ namespace FoxTube
 
             SecretsVault.AuthorizationStateChanged += Vault_AuthorizationStateChanged;
             SecretsVault.SubscriptionsChanged += SecretsVault_SubscriptionsChanged;
+            SecretsVault.NotPurchased += () => removeAds.Visibility = Visibility.Visible;
             SecretsVault.CheckAuthorization();
+            SecretsVault.CheckAddons();
             SetTitleBar();
             Initialize();
         }