Using wood from pallets to create a barn-wood wall. (well, it looks like barn wood, but it& not.) Would work well with some of the other ideas in here. (painting or staining certain areas of wood, wood on ceiling? Or would it be too heavy?
I have a really weird music taste. My favorite genres are: oldies, country, classical piano, and what twenty one pilots is. I love music that makes me happy, whether that be because it's a funny song or just a good one.