You just create a horse and then you click on load horse skin and you choose 1 lizard then you will click on load horse BG color and click on the same lizard (if the horse you want to load have a BG then use it) and if you want you can choose a color with the RGB bars to change the color of the smoke and the paint it lets around. Finally you click on "Name and save horse" you save it in customhorses folder and you will get your horse. (ALL THESE STEPS ARE IN THE FILE IN THE GAME FOLDER "HOW TO HORSE.txt")