Well, you draw a normal grid on the picture you're copying.
Then, on the page you're copying into, draw the same amoubt of "warped squares" in a weird, twisted grid format. Then you copy the image into the warped grid, and the picture comes out looking bizarre. :3
He is going to be at this entertainment expo thing tomorrow.... It's SO CLOSE to where I live I could almost walk there! I couldn't believe it when I found out. I will also get to meet the humans behind R2D2, Chewbacca, Shaak Ti, Luminara Unduli, Greedo, Darth Maul......and .....and.....who else. Oh some artists as well. I'm so excited!