There's no doubt about it. It's tricky to fasten something to drywall when it has to go between studs. Plaster walls and hollow-core doors are no picnic to work on either. These surfaces separate space, not support weight. But, fortunately, there is an anchor for just about any hanging job you can think of. Put together your own collection, and you won't need to run to the store every time a hanging job comes up—or worry about your wall art crashing to the ground. Here are the best fasteners for common household hang-ups.