Wallpapers are a possiblity to get very creative in Pumpkin Days. They can be added to furniture with cloth, walls, floors, frames, plushies, etc.
You can either get them in the furniture and wallpaper stores, from the market or as a quest reward for deliverey quests. However, some wallpapers are only obtainable as a quest reward, which is completely random.
Below are only a few wallpapers which can be obtained in the game. More will be added on over time.
Examples of Wallpapers