Horse Channel has a Club Horse program which you can put a profile up on their website for your horse and for each thing you do, ie write on someone's horse's wall, vote for your favorite horse, ex cetera...you earn points. Those points can be used to redeem products such as 1 year subscriptions to Horse Illustrated, Young Rider, and other supplies.
For a full list of prizes click here.
Its a great program and lots of fun, check it out and earn your free stuff! It does not take much work and you meet other horse lovers along the way.
Of course Horsechannel is part of petchannel.com...so there are pages for all your pets, ie Dog Channel, Cat Channel....