MacOS SwiftUI app the shows the current available wallpaper images from Bing.
Setting the image as background is a manual step
- save image to some location
- open
'System Preferences' | 'Desktop & Screen Saver'and select the saved image
API used to retrieve the image meta data
http://www.bing.com/HPImageArchive.aspx?format=js&idx=0&n=8&mkt=en-US
Post on StackOverflow where the API is described
https://stackoverflow.com/questions/10639914/is-there-a-way-to-get-bings-photo-of-the-day