photo from http://blog.burningman.com/2011/08/tales-from-the-playa/state-of-the-art/ via http://www.theworldsbestever.com/category/cars/page/8/
for more Burning Man mobile art: http://galleries.burningman.com/browse?b=true&text=&year=&category=art_cars&mediatype=photo
John was just asking about this bus, and sent me links to a couple other better photos:
