Find the center of the wall (overall length divided by two) and make a mark at the height of your choosing. Your center picture will hang at this spot. From this location you will add 16 inches ...

Install the Hardware If your picture's frame is quite small and lightweight, you may only need a few nails to hang it. Hammer ...

Once the hook is in place, pull the tape off. A gallery system involves securing a rail to the wall that connects to hanging wires. Pictures are then connected to these wires with hooks.