Adobe Photoshop CS3 Extended
I used Stock from CGTexture
Horse's Control becouse the Horse bring the commando of all, so it is rapresented with human body;
All turn around it , becouse he is the new monarch of the world , so the things around his body are element of nature like the petals which turns round the horse.
Also the Mountains and the Clouds rapresent the world , and make undestand the horse is between the fire sky (a phantomatic paradise or hell) and the earth world.
Last the black bird on the right is a protector, is a guardian of the king horse.