The Western Saddle Guide is a great site that shows you how to clean your saddle and how to get a saddle that fits you.
Mare care and foal care, this site will really help with the care of both.
We practice the downunder horsemanship with Clinton Anderson. He has a way with horses like no other.
Jeffers is a good place to get horse wormers, vaccines, and tack. They also have stuff for horse care and other animals.