With an incredibly intuitive UI, PhotoNinja makes it almost too easy to defile just about any image. Want to add a sombrero to your cat? With a few taps and swipes it's done.
Sharing of your picture is also just as easy. Integrated sharing allows you to post directly to your facebook, twitter, or tumblr accounts. Heck you could even send it via something called "e-mail".
Hundreds of widgets to choose from allows users of the app to create some hilarious and ridiculous images.