FIFA Street cheats and cheat codes for Gamecube

All apparel and footwear:
Hold down the L and Y button and then hit Right, Right, Left, Up, Up, Up, Down 
and Left at the main menu.

Small players:
Pause game play, then hold L + Y and hit Up, Left, Down, Down, 
Right, Down, Up, Left.

Normal size players:
Pause game play, then hold L + Y and hit Right, Right, Up, Down, Down, 
Left, Right, Left.

Long shot goal: 
Choose Worns and play with him. Shoot by hiting X and the direction where 
you want the ball to go. Before he takes the shot, hold L. He should score from 
there.

Full speed, power, tackling etc.
Hold L + Y and hit Left, Left, Left, Up, Down, Down at the main menu.