|Name of the file: NBA 2K3 - Author: ANO - [PSX]|
Enter the options menu and select "Gameplay". Hold D-pad Left + Left Analog-stick Right and press Start. The "Codes" selection will now be unlocked at the options menu.
Enter MEGASTARS as a case-sensitive code to unlock the Sega Sports, Visual Concepts, and Team 2K2 in exhibition and street modes.
Go to the options menu and select game options. Then press and hold left on the d-pad and right on the left analog stick while holding those press start. Exit this menu and you should see codes at the bottom. Enter the codes screen and enter MEGASTARS in all caps. You should now have unlocked the 3 secret teams.
Go to the Codes screen and enter SPRINGER in all caps. There should be trash blowing in the wind during Street mode.