Just a quick note - if you are feeling depressed and need something to cheer you up:
Actually, go to it even if you're already happy. It made my WEEK.
Make sure you read all the comments.
Update: This whole story has gotten pretty crazy - it's been on national news, so far almost 150,000 hits on the page, and a range of t-shirts have come out based on the illustrations. All over the last 24 hours. Crazy! The illustrations are now being sold for charity.