I found this website!
http://weavesilk.com/
I dont know how to explain it but is some kind of fun, reminds me of windows media player
You can paint and send your link to someone you want to
People can see how you painted it and the final result
There is some options you should consider browsing

I tried twice

First try:
http://r.weavesilk.com/?v=4&id=isj1dajiht8

Second try:
http://r.weavesilk.com/?v=4&id=npc1dak04b1&fb_action_ids=571755999667953

Enjoy yourselves