It's a fat white border around the image. A variation of this often imitates a photo stack each having such frame. Google images keywords: polaroid frame, pol

It's a fat white border around the image. A variation of this often imitates a photo stack each having such frame. Google images keywords: polaroid frame, polaroid stack. Sample: http://blog.simplyjean.com/wp-content/uploads/2007/11/polaroid-stack-2007-11-05-starbucks.jpg http://blog.simplyjean.com/wp-content/uploads/2007/11/polaro... What's interesting that this wouldn't be allowed, I think there's many apps using this framing style in the app store already.