Allows you to reuse wallpapers and floors. When you replace a wallpaper or floor, you get the old one back (instead of it being destroyed). http://www.nexusmods.com/stardewvalley/mods/356/?
Wow, I suggested something like this like one hour after you posted this. Either way, awesome mod, for sure gonna use this!
I've just gotten back into the game after a long break... any chance this can be updated @iceburg 333 ?