Use adhesive picture hanging strips
Use removable mounting putty
Use adhesive hooks
Use wall-safe double-sided tape
Use a picture rail and hanging wire
Use a tension rod for lightweight frames
Use freestanding picture ledges
Use an easel or display stand
Use magnetic picture hangers
Use suction hooks on smooth surfaces
Use brick clips for exposed brick
Use command-style frame hangers
Use Velcro strips for lightweight frames
Use shelf brackets with frame support
Use washi tape for very light prints