If you're curious about the meanings/reasons behind some of his pieces, this is the most educational video you'll find on the web. If you couldn't care less, but are curious about what makes someone go under the needle, this is a great clip and, as you'll soon see, some of his stories are actually quite cool. Like the big X near his elbow standing for 'Unknown' and his mother's eye.
Best of all though is his weak attempt at erasing Selena. Check it: