Attached Link: http://www.renderosity.com/viewed.ez?galleryid=100554&Start=1&Artist=TalmidBen&ByArtist=Yes

I think you gotta do this in post-production. I've created one you can see here: http://www.renderosity.com/viewed.ez?galleryid=100554&Start=1&Artist=TalmidBen&ByArtist=Yes but ya gotta use an image editor