Attached Link: http://www.renderosity.com/messages.ez?ForumID=12356&Form.ShowMessage=1561789

See this thread for a link to EdW's Western Saddle, Hackamore, and Reins, and instructions on how to use them. You also need the morphs for his Poser 4 horse, I think. Sams3D has lot of horse stuff, too. It's not free, but it's pretty inexpensive.