Aliens - Predator: House Rules from the Desk of Donovan Raidor

Offers custom rules and original game scenarios.
http://www.geocities.com/lordraidor/avp.htm

The Juggler's Alien vs Predator Collectable Card Game

Provides card lists, online rules, and combos.
http://www.juggler.demon.co.uk/avp/

Aliens Predator CCG

Contains information such as decks, scenarios, combos, and a list of people in a area who are looking for an opponent.
http://www.geocities.com/Area51/Labyrinth/4678/

The Battlefield

Features card list and trading section.
http://members.tripod.com/~apccg/

Gateway Station

Features personal campaigns and tips.
http://www.geocities.com/Area51/Labyrinth/5642/avp.html