this is weet, and completely free to play with.
you are able to upload whatever pics you want and make them into black/white/illustartion/colored pencil, etc...
the only thing you have to pay for is if you want to orer them.

here is a pic of a friend's car i did as an illustration.

http://photo.art.com/Photo/PhotoView-aspx/_/ui--809D04C2A4B34CE2A78A15239B483DC2/pid--E5BAF0BA801B4C06BA6F9EC01A122C50/gid--DDBD4E0EC9B8464186CF6ABE9B7FB6DB/PhotoView.art

check it out....

Desiree/ 96 Moonlight Blue SE ATX Storm Grey sideskirts and front mystique lip spoiler 2.5 quasi dual with 3.5" chrome tips Cold air K&N with louvers in LF fender Formerly desiblue97...