Sounds like a pretty cool idea. I know Scott has a couple in his renderings section, but I'll check with some folks and see what they think. If Scott wants to host them here, I'd be happy to sport a Lateral-G watermark on them next to mine too.
Sure thing, Kris. Just send me the images you want to be used for wallpapers and I'll make 800x600 and 1024x768 images that I'll host on the Lateral-g artwork page and I'll also link to them from CarsbyKris.com as well.