My Little Pony

Dream Valley - Collector's Guide to My Little Pony
Actual pictures and descriptions of US and International ponies. Includes a search tool for identifying ponies. Also information on the TV series and movies.
http://www.dreamvalley-mlp.com/

Ponies Against Image Nabbing
P.A.I.N. allows people to register all their MLP pictures.
http://www.geocities.com/ponies_against_image_nabbing/pain.html

The Skylands
MLP desktop themes, instructions on how to edit images, fan fiction, customs.
http://www.chanth.com/cartoons.html

Teddy's Place
Character guide, pictures, and fan fiction based on the 1992 TV series My Little Pony Tales.
http://www.angelfire.com/tx3/teddysplace/