Fun With The Invisible Cheat:

When you chose your skater, there will be a menu with "spend money". Go to "cheats" and buy the cheat that says "now you see me, now you don't". This will turn skater invisible but you can still see the clothes and skateboard. When playing, do a trick (kickflip, ect...) Before your skate performs this trick, press start right away. Now go to "options", then "cheats". The cheat I told you to buy. Turn in on (or off if already on). Your skater will do a little of the trick (you'll see the clothes move). Continue turn the cheat on and off until the trick is complete. You can do this with any trick.