As you might be able to guess, a small hole, such as one left over from a 4x6 framed print, is going to be a touch easier to deal with then the larger holes left over from.
How To Fix Wall Nail Holes. I often see poorly done repairs of this type. The amount of work it takes to fill nail holes depends on the size and shape of the holes themselves.
9 first tap in the nail using a screwdriver and a hammer to ensure the problem doesn't happen again. It just takes a little spackling compound to repair fine cracks, nail holes, and gouges in a firmly anchored plaster wall. How to fix small nail holes in walls.
How to remove and fill drywall anchors.
What you would do is take the bar of soap or wax that matches the color of the wall, and for the soap you can just rub the it around the nail hole to fill it with. Filling nail holes can be challenging, particularly if you're trying to completely erase any trace of the fasteners. Especially if you're using neon green toothpaste with a red stripe through the middle. Fix small nail holes in walls fast, and make them disappear.