diff --git a/_index.html b/_index.html
index 9248a21..0d8f417 100644
--- a/_index.html
+++ b/_index.html
@@ -178,7 +178,7 @@
 
 <script type="text/javascript" charset="utf-8">
 $(document).ready(function(){
-	$("a.gallery[rel^='prettyPhoto']").prettyPhoto({animationSpeed:'normal',theme:'light_square',opacity: 0.40,default_width:"640",default_height:"385"});
+	$("a.gallery[rel^='prettyPhoto']").prettyPhoto({animationSpeed:'normal',theme:'light_square',opacity: 0.40,default_width:"853",default_height:"505 "});
 //	$("a.featureScreencast").add('div').addClass("overlay");
 });
 </script>