3 links
Dream Valley - Collector's Guide to My Little Pony
dreamvalley-mlp.com
Actual pictures and descriptions of US and International ponies. Includes a search tool for identifying ponies. Also information on the TV series and movies.
Ponies Against Image Nabbing
geocities.com
P.A.I.N. allows people to register all their MLP pictures.
Tootsie's Ponyland
fortunecity.de
European site with java games, pictures, collectibles information and checklist, coloring book and links.