This has got to be one of the coolest photoshop tutorials I have seen in a while. It is also currently the number spot on Digg.com, a site which lists currently popular webpages.
A very cool way of making a picture of anyone look like a lichenstein-esque drawing. Roy Lichtenstein became one of the leading pop artists of the sixties with his comic-strip paintings. His work also often included boxed captions and words such as "WHAAM!", commonly found in comic books.