Facebook recently opened up its site so that people could develop applications for it. Most of the applications are pretty lame but there's one that's captured my heart and my imagination: Facebook Graffiti. It's a paint program that's even more basic than MS Paint. You can pick the color, width, and opacity of your brush and that's it. Nevertheless, with years of doodling in MS Paint and Photoshop under my belt, I got to work tagging my friends walls. Here are some of my favorites:

There are more in my flickr if you're interested.