Unlimited Player Attributes:
At the player edit screen, press L1, L2, X, Square, X.

Editable Bankroll:
At the club transfers screen, press X, Square, X, L2, L1.

Harder Kicks:
Quickly press R1, L1, Down, Up, Left at the team selection.

Adjust Lighting:
Pause game play & press Square, Triangle, X, Square, Triangle, Triangle, X, X, Square, Square, Square, Square, Square, Square, Triangle, Triangle, Triangle, Triangle, Triangle at the options screen.