FIFA Soccer cheats and cheat codes for Sony PSP

Argentinian league:
Hold L and press Square, Circle, Triangle

You hears, what players are talking on pitch:
Press Up, Left, R1, L1, X, O, Triangle

Custom challenge:
Finish all the challenges in challenge mode.

All International teams and cups:
Hold Triangle and press Square, X, X, Circle, Triangle, Triangle at the game 
mode screen

All stadiums from every league:
Hold Square and press Triangle, Triangle, Triangle, Circle, Circle, L

Custom challenge 
Finish all the challenges in challenge mode