The cheats submitted by shiney Mcshine were incorrect. So I am presenting you with the correct cheats.

All Cheats:
Hold right+L2 and press tri tri cir tri.

Secret Boarders:
Hold left+L1 and press tri tri cir tri.

All Levels:
Hold right+R1 and press tri tri cir tri.

All Boards:
Hold left+L2 and press tri tri cir tri.

All Movies:
Hold left+R1 and press tri tri cir tri.

Max All Stats:
Hold right+L1 and press tri tri cir tri.


Hope these cheats help you a lot.