DevilDucky - Used Car Catapult
http://www.devilducky.com/media/15990
"All you need is a tractor, a shotgun, a giant catapult and an old car. What do you do with the gas you save? Light it on fire and fling it into the air too, of course."
SiK, Inc. :: imp
http://www.sik.com/imp.php
Car charger and line out for iPod. Neat thing is that the line out and the car charger can be separated.