Reduce main image size

index.html

@@ -58,7 +58,7 @@
 	<link rel="shortcut icon" href="favicon.ico" type="image/x-icon">
 	<link rel="icon" href="favicon.ico" type="image/x-icon">
 	<meta name="description" content="Stream movies from torrents. Skip the downloads. Launch, click, watch." />
-	<link rel="image_src" href="http://getpopcornti.me/images/header-ui.png" / >
+	<link rel="image_src" href="http://getpopcornti.me/images/header-ui.jpg" / >
 
 	<meta property="og:title" content="Popcorn Time" />
 	<meta property="og:type" content="website" />