How to Hang a Perfect Gallery Wall... Without Nails
Make gallery walls less overwhelming by using Command™ Picture Hanging Strips - with no need for nails!
How to Hang a Picture ('Cuz You're Probably Doing It Wrong)
The absolute easiest way to arrange a gallery wall without making nail holes, um, everywhere? Trace each frame onto butcher paper, mark the tightened wire height or hook position, then stick them to the wall with painter’s tape.
Ideas for Hanging Artwork Without Leaving Holes in the Wall — Renters Solutions
How To: Hang a Frame Without Leaving a Mark — Command Picture Hanging Strips by To install the strips, attach them to the frame and to the wall, let them rest for at least 30 minutes, and stick them together.
Continue to like the curtain rod picture hanging idea
Old school style picture rail - hand artwork without putting nails in the walls