English Family Crests and Coats of Arms

Here are a few places to look for English family crests or coats of arms. 

Mouser's Armory

http://www.mouserfonts.com/Arms/Arms/

Mostly English coats of arms in GIF format.

English Rolls of Arms of the 13th Century

http://perso.numericable.fr/briantimms/era/early%20rolls%20of%20arms.htm

Thirteen English rolls of arms with illustrated with GIF images.