Lets start a play. You know this program, ArtPad:
Now you have a possibility to show how fine artworks you can create. The idea is that the previous user give you a title and you should to create an artwork about it. Then save and link it. After you've made your painting/draving and put it forth you can give a title to the next user.
I start. This is my artwork http://artpad.art.com/?k6fglj12cwks
Lets see.. The next could draw a horse