I'm not seeing the problem. Except maybe that our urbanized society has been too far removed from the source of the supply for our carnal appetites.
she wasn't posing with a daed horse, she was posing INSIDE a dead horse carcas, like it bloodied up and dead and she went intside. I don't know if it is illegal, but it is just damn odd
As long as they're sticking with dead horses and it isn't a gateway to wearing human flesh, I don't have a problem with it.