diff --git a/Output/Themes/Ambient/Skin Blue.xml b/Output/Themes/Ambient/Skin Blue.xml
index 7be79a61..21f5418c 100644
--- a/Output/Themes/Ambient/Skin Blue.xml	
+++ b/Output/Themes/Ambient/Skin Blue.xml	
@@ -218,9 +218,9 @@
     <Invisible>Invisible.png</Invisible>
   </Skins>
   <Videos>
-    <BG_Video>[Blue]BG_Video.mkv</BG_Video>
-	<IntroIn>[Blue]IntroIn.mkv</IntroIn>
-	<IntroMid>[Blue]IntroMid.mkv</IntroMid>
-	<IntroOut>[Blue]IntroOut.mkv</IntroOut>
+    <BG_Video>[Blue]BG_Video.mp4</BG_Video>
+	<IntroIn>[Blue]IntroIn.mp4</IntroIn>
+	<IntroMid>[Blue]IntroMid.mp4</IntroMid>
+	<IntroOut>[Blue]IntroOut.mp4</IntroOut>
   </Videos>
 </root>
\ No newline at end of file
diff --git a/Output/Themes/Ambient/Skin Green.xml b/Output/Themes/Ambient/Skin Green.xml
index 2c4c0b60..63a3bdb3 100644
--- a/Output/Themes/Ambient/Skin Green.xml	
+++ b/Output/Themes/Ambient/Skin Green.xml	
@@ -218,9 +218,9 @@
     <Invisible>Invisible.png</Invisible>
   </Skins>
   <Videos>
-    <BG_Video>[Green]BG_Video.mkv</BG_Video>
-	<IntroIn>[Green]IntroIn.mkv</IntroIn>
-	<IntroMid>[Green]IntroMid.mkv</IntroMid>
-	<IntroOut>[Green]IntroOut.mkv</IntroOut>
+    <BG_Video>[Green]BG_Video.mp4</BG_Video>
+	<IntroIn>[Green]IntroIn.mp4</IntroIn>
+	<IntroMid>[Green]IntroMid.mp4</IntroMid>
+	<IntroOut>[Green]IntroOut.mp4</IntroOut>
   </Videos>
 </root>
\ No newline at end of file
diff --git a/Output/Themes/Ambient/Skin Red.xml b/Output/Themes/Ambient/Skin Red.xml
index 9d1d3cde..1e53d8d3 100644
--- a/Output/Themes/Ambient/Skin Red.xml	
+++ b/Output/Themes/Ambient/Skin Red.xml	
@@ -218,9 +218,9 @@
     <Invisible>Invisible.png</Invisible>
   </Skins>
   <Videos>
-    <BG_Video>[Red]BG_Video.mkv</BG_Video>
-	<IntroIn>[Red]IntroIn.mkv</IntroIn>
-	<IntroMid>[Red]IntroMid.mkv</IntroMid>
-	<IntroOut>[Red]IntroOut.mkv</IntroOut>
+    <BG_Video>[Red]BG_Video.mp4</BG_Video>
+	<IntroIn>[Red]IntroIn.mp4</IntroIn>
+	<IntroMid>[Red]IntroMid.mp4</IntroMid>
+	<IntroOut>[Red]IntroOut.mp4</IntroOut>
   </Videos>
 </root>
\ No newline at end of file
diff --git a/Output/Themes/Ambient/Skin Yellow.xml b/Output/Themes/Ambient/Skin Yellow.xml
index 126e40c2..ff096567 100644
--- a/Output/Themes/Ambient/Skin Yellow.xml	
+++ b/Output/Themes/Ambient/Skin Yellow.xml	
@@ -218,9 +218,9 @@
     <Invisible>Invisible.png</Invisible>
   </Skins>
   <Videos>
-    <BG_Video>[Yellow]BG_Video.mkv</BG_Video>
-	<IntroIn>[Yellow]IntroIn.mkv</IntroIn>
-	<IntroMid>[Yellow]IntroMid.mkv</IntroMid>
-	<IntroOut>[Yellow]IntroOut.mkv</IntroOut>
+    <BG_Video>[Yellow]BG_Video.mp4</BG_Video>
+	<IntroIn>[Yellow]IntroIn.mp4</IntroIn>
+	<IntroMid>[Yellow]IntroMid.mp4</IntroMid>
+	<IntroOut>[Yellow]IntroOut.mp4</IntroOut>
   </Videos>
 </root>
\ No newline at end of file