A friend found this site for creating all sorts of fun and unusual effects with your photos. Flickr organized the page. I was dabbling with it yesterday just to check out the magazine effects one, but didn't try to put together a polished (and hilarious) cover like she did. This is one created from a baby photo of my mother. I had erased the background and copied it onto a colored one. Voila. Mom flies!
The site is located at http://bighugelabs.com/flickr/