Okay, this is a very simple game. I've seen on another forum before, but never yet on UCP, so here goes. Once you find and post the latest requested picture, you make your own request. Put the request in the post where you put the photo. Requests can be of anything (not just car stuff), so long as it complies with the forum guidelines.
I'll start us off. I want a picture of an animal in a car.
By the way, please attach images, rather than linking to them. It's much more user-friendnly that way.