Here are some pictures of Buster-the-Ranch-Horse, registered Quarter Horse, at about 15-3 hands.
Buster and me, in front of the barn
Buster and me heading up the hill
Buster and me up on the hill
Katie and Buster
ditto
Pictures of Farley-the-Stunt-Horse,15-1 hand Paint, famed in song and story:
Farley ready to ride
Me on Farley
Me & Farley
Farley & Steffi
Farley & Steffi 2
Pictures of Gandalf, 15-2 hand registered quarter-horse, dapple-grey, Buster's replacement.
Gandalf1
Gandalf2