NOTE: For all three cheats start by going to the "Globe Screen":

Giant Spice:
Then hold "Start" and press Circle, Square, Circle, Square

Extra Title Screen:
Then hold Start and press Circle, Next, hold Triangle(2), Circle. Next hold L1+R1+L2+R2+Start+Select
You will see the Girls with fewer clothes on behind chairs.

Hand Bag Mode:
Then hold Start and press Square, Triangle, Circle, Triangle. You will then have extra moves at the studio