For picture hooks, drive nails at an angle to distribute the weight of the picture. If the frame looks like it’s angled away from the wall and you don’t like it, add bumpers to the bottom back ...

If you’re hanging on tile or glass, you’ll need good-quality and low-profile adhesive hooks rather than nails and screws, and if you’re hanging on brick, use brick clamps. (More on mounting ...

Picture rail comes in a variety of shapes, but the important thing about it is that the top curves out from the wall so there’s room for a hook to nest on top of it.