Aliens Predator

Aliens - Predator: House Rules from the Desk of Donovan Raidor
Offers custom rules and original game scenarios.
http://www.geocities.com/lordraidor/avp.htm

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

The Juggler's Alien vs Predator Collectable Card Game
Provides card lists, online rules, and combos.
http://www.juggler.demon.co.uk/avp/