If you're renting, or just want to avoid holes in the wall, you probably don't want to use tacks to hang posters. Rather than buy sticky pads, just use a thin layer of toothpaste to place posters. You ...

Posterhänger is a clever way to hang a poster on the wall without expensive framing or damaging adhesive. Using a few clips and a top and bottom bar, Posterhänger adds a light frame which you can hook ...