Get yourself some sawtooth hangers to properly hang up your favorite pieces of art work! Sawtooth hangers are very simple to use. You simply mark and hammer your nail about 1/2 an inch below the center of the top of the frame. Then screw in your screw, and simply place the sawtooth hanger over the nail and straighten as needed.
Sawtooth Hangers measure 2 11/16" wide x 5/16" high.