The Garbage Pail Kids

Complete GPK reference site. See images of cards, memorabilia section, and picture/site of the month.
http://www.geocities.com/Area51/Station/9622/

Taras Garbage Pail KIds

Buy, sell, or trade both U.S. and foreign cards. Includes pictures and information.
http://www.garbagepailkids.org/

The Garbage Pail Kids Fanatic

Offers downloadable card lists and a for sale and trade section.
http://mike_sawl.tripod.com/

Asphyx's GPK

Fan page containing pictures, downloads, and information about the author.
http://membres.lycos.fr/gpk/

GPK Central

Includes card profiles, search for cards, swap shop, and checklist.
http://odin.prohosting.com/englerj/

Wayne's Garbage Pail Kids References

Provides downloadable card variation checklists, price guide, and FAQ.
http://www.wgpkr.com/