I want the backboard angle!

Extra Teams:
Hold the L Button when selecting Pre-Season from the Main Menu to get extra 
teams.

Disco Floor:
Pause the game and press A, C-Up, Down, Up, C-Down, R, R, B, C-Right, C-Right,
Z.

Big Head Mode:
During any game, press start to pause the game. Then press D-Pad Right, D-Pad 
Right, D-Pad Left, R, Z, Start, A, Start, A, Start, Z. Anything that happens
while entering the code is ok.

Alien Heads for Left Field Team: 
At the Main Menu, press C-Up, C-Down, C-Left, C-Right, Start, Start, A, B, A,
R, Z. Press the B Button until you return to the Main Menu. Hold L and Press A 
to enter Pre-Season. Go to the Special Teams and select the Left Field team. 

Small Players: 
At the Main Manu, press C-Right, C-Right, B, R, R, C-Down, Up, Down, C-Up, A,
Z. 

Hang on the rim:
To hang on the rim, do a two hand dunk and hold the B button.

Spin Dribble:
Hit R twice.