I drew this years ago to go on the outside of an envelope for a letter I sent to a friend. The letter was in comic form, borrowing liberally from Doonesbury and Bloom County*. One of these days I'll make the letter available for viewing (when I find it).
(If you want to know more about how a pinhole photo is made, go here) (or for a really detailed, if occassionally unsafe for children, description, go here) (or just google it, ya' lazy, you.)