Faceover (iOS) app for $0.99
Would you like to see how someone would look with a different face? Or do you want to see someone's face on a different body? Faceover lets you easily do this and much more--and it even looks good.
Apply amazing photo editing effects with your iPhone, iPad or iPod Touch. Use Faceover to edit, save and share any photo from your library. Quickly create high quality effects by copying, pasting, swapping, flipping and rotating images. It's simple to use and the results are realistic and hilarious.