We have an older home with picture rail molding and plaster walls (you can't put nails in the walls). We have to hang things just like in this picture with picture rail hooks. I just ordered our hooks today! Little Green Notebook: Picture rails.
Picture rails are a thing of the past, but really they should be installed in every home. You don't have to worry about making holes in walls, and you can change and move your art often with a picture rail system. I've hunted down all the supplies you nee