Did you know that Spoonflower carries is PVC-free vinyl wall decals? These come in various sizes along with many use ideas. I created my first one for a grandson's nursery. My son-in-law and daughter are huge fans of the group Coldplay and when I saw a similar design on Etsy, I had a hunch they would like this and I was right ;-) I made this one as an 11x14, printed on 15x15 layout. It looks really nice in the nursery.
These are nice because they can be repositioned and leave no marks on walls. I recently made this one for my own personal use:
There are tons of designs over there to choose from along with inspirational ideas. Have a look HERE.