Speaking of! In chapter 2, he talks about Whip and Wave effects, with a small cycle in it. I thought I'd compile it together for reference purposes. Then I did a little rotoscoping, then I just had a little fun with it. Here's my result:
The right is straight out of the book. The middle is my own scratchy drawing, and then the left is just a little blur and color addition. All Photoshop CS5. A forty five minute exercise during lunch today.