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.
Martha Stewart's recipe for homemade chalk board paint. And in any color! So much cheaper than pre mixed bottles. paint (of any color or type) and some Non-Sanded Tile Grout. simply mix 1 cup of paint and 2 Tablespoons of grout.