Well, I got three words for ya: Es Pen Seeve! Check out this web site about them:
3M's Info on adhesive prints
The damage runs from 8 to 20 bucks or more a square foot. So while it would be neat to have, it's kinda expensive (though you can count on me saving my pennies to get a FIRST car wrap!). But we could always just have an over-sized FIRST logo, maybe 2ft wide by 2 1/2 feet, and if a lot of people wanted one, they may drop the price. Yet another idea on the promotion of FIRST...