Free floating replay camera:
Pause the game, select the replay option, and change the camera angles. Hold L or R for the free floating camera angle. While L or R are still held, hold Z and use the D-pad to move the camera.

Change camera sides:
Enter the main play menu and highlight the "select court" option. Hold R and press Z. This relocates the camera to the other side of the court.

Alley Oop:
Hold R, then press Pass.