Pokémon Fire Red and Leaf Green

GameSpy - Pokemon Fire Red
Offers cheats, news, movies, screenshots, reviews, and previews.
http://gba.gamespy.com/gameboy-advance/pokemon-fire-red/

GameSpy - Pokemon Leaf Green
Offers game information, cheats, news, previews, reviews, and screenshots.
http://gba.gamespy.com/gameboy-advance/pokemon-leaf-green/

GameStats - Pokemon Fire Red
Contains reviews, screen shots, news, and previews.
http://www.gamestats.com/objects/605/605909/

GameStats - Pokemon Leaf Green
Includes screen shots, news, reviews, and previews.
http://www.gamestats.com/objects/605/605908/

IGN - Pokemon Fire Red
Contains previews, FAQs, news and a message board.
http://gameboy.ign.com/objects/605/605909.html

IGN - Pokemon Leaf Green
Contains news, message boards and previews.
http://gameboy.ign.com/objects/605/605908.html

Super Cheats - Pokemon Fire Red
Offers cheats, hints, walkthroughs, screenshots and forums
http://www.supercheats.com/gameboyadvance/pokemonfirered.htm