WOW! it's a really nice picture! the cutting looks good too. But I can barely see the name of the horse. You could have made the text a little bit lighter by drawing the eyedrop tool over the place where you want the text. Then you can lighten it up a bit so you can see it better

and it could use something more 'exciting'? A texture would be really cool over the background, then adding the horse. Other than it, it's AWESOME!