Ze Frank is an online performance artist, ­initially famous through an electronic birthday ­invitation featuring some crazy dance moves.

The Scribbler ­transforms your simple line drawings into elaborate sketches. While this is by no means a novel concept, the ­Scribbler is free, easy to use and renders some pretty amazing (or at least unexpected) ­results. Be sure to visit the rest of his site. It features many interactive group projects and tools, and handy tips such as “Don’t vacuum your face”.