So here's my idea... ok, we take a bunch of bacteria, make them photosensitive, and WHAM! Picture! I mean, yeah, it's only black and white, and only red light... and it takes... four hours... but...

Look! Flying Spaghetti Monster!!!

http://www.newscientist.com/article.ns?id=dn8365&feedId=online-news_rss20

LOL! Love the subject matter. :D I gotta get one of those for my car.