Freekstyle

Cheat Code Central
Provides cheats and codes for the Playstation 2 version.
http://www.cheatcc.com/psx2/freekstyle.html

Cheat Code Central
Provides cheats and codes for the GameCube version.
http://www.cheatcc.com/gc/freakstyle.html

eLook
Contains cheat codes. (Gamecube)
http://www.elook.org/games/cheats/gamecube/93.shtml

Game Revolution
Offers cheats, codes, and a review.
http://www.gamerevolution.com/oldsite/games/codes/ps2/freekstyle.htm

GameSpot
Includes news, review (7.7/10), gameplay videos, and screen shots. [GameCube]
http://www.gamespot.com/gamecube/sports/freekstyle/

GameSpot
Offers screen shots, videos, news, and review (8/10). [PlayStation 2]
http://www.gamespot.com/ps2/sports/freekstyle/