Exquisite-corpse is a project mainly written in JavaScript, it's free.
A Sencha Touch application that allows you to switch the head, torso and body of monster illustrations.
This application was created as a demonstration for a video introducing layouts in Sencha Touch.
Illustrations by Laurie Pink, distributed under creative commons license, discovered on Flickr:
Use media queries to serve lo-res images by default, and hi-res images for larger screens.