This is a competition that I made up ages ago for another site... a very small minority of people here might have seen it before.
Basically, it starts when I provide a picture, which people must then add stuff to. The important thing is that the original picture cannot be moved. (the colour can be changed, but it cannot be chopped up etc.)
So, for the starting picture, I've gone for something simple:
An an example entry (a crap one):
Right... when there are lots of entries, I guess we can vote for the best one, and then the winner can post the next picture.