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.
There's no way around it: renters just don't have the freedom to do whatever they want to the space they call home. One frequent deposit money-sucker is holes in the wall. Thankfully, there are some fantastic workarounds, solutions that range from nail alternatives to some downright conversation starters. Check them out.