Hammer nail through a wooden ruler. Hang picture on that nail. Line it on the wall where you want it. Remove picture, push in nail to make an indent. Remove ruler, hammer another nail into the wall Hang your perfect picture up.
If you don’t have an eye for design, you might not know where to start when it comes to putting art on your walls. You can always go with your gut, but this infographic lays out some basic rules that make it simple.