Muzei is a menu bar app that lets you use famous works of art as the wallpaper. Muzei also has support to set top scoring images from Reddit. Customisation options like blurring, dimming and specifying the subreddit are also present. Muzei is open source - https://github.com/naman14/Muzei-macOS - Daily updated famous works of art - Daily top pictures from specified subreddit - Ability to save the wallpapers - Ability to further process wallpapers with blurring and dimming