Emu Oil

http://www.pure-emu-oil.com/

I don't have any experience yet with emu oil (if you do, please let me know) but it sounds like something worth exploring.

Book written for the "Good of the Horse"

Written by a veterinarian who also trained as a Bereiter in Germany, this book discusses correct and safe  training . He discusses hyperflexion or Rollkur (he is a founding member of Xenophon, an organization dedicated to fighting mistakes in equestrian sport):

Tug of War: Classical Versus "Modern" dressage, Why Classical Training Works and How Incorrect "Modern" Riding Negatively Affects Horses' Health  by Dr. Gerd Heuschmann

Organic Horse Products

Highly recommend products from this company:

http://seashoreacres.com/products.php

especially the Sole Paint and Green Sweat