I was looking at artcars.com and I remembered that documentary I saw years ago about them. I don't know if you remember, but I did something similar to my car a while ago. You might have seen the pictures I put on my Flickr account; I glued lots of cheap plastic dinosaurs and farm animals and even some pirates to magnets and arranged them on my car. I liked the idea a lot, but they're easy to steal and some just fly off and it is harder to keep the car clean that way.
But I was thinking, what about decoupage? I could do a collage on the entire car. I was thinking cutting up images from old movie and TV magazines to make it topical to where I live and the industry I work in. The most important part to me is to work with the shape of the car. I want to have the collage figures represent, or even react to, the parts of the car they are on whenever I think that will be novel. For instance, I was thinking about having the big dent on the front bumper be a pit of hell out of which will crawl the Creature from the Black Lagoon, Frankenstein's Monster and other nasties.
How are the kids?