Any horse lovers out there? Well how about a horse and stable themed nursery?
www.lamountaine.com
www.artandmurals.com
This one is not in a nursery, but I can definitely see something like this above the crib.
www.becsmart.com.au
This is an interesting way to incorporate horses by using a patterned material and adhering the sillhouette onto the wall just like you would wallpaper.
www.homeandwalldecor.com