Search Atom packages.

reddit-background

Change your Atom background to display any picture from multiple subreddits.
braxtondiggs
323

random-wallpaper

Display wallpaper on Atom.
muu
451

editor-background

Background image / animation changer. Change your mood by changing what you looking at most of the time. Background changer with some additional readability improvement and a lot of features...
camel-chased
38,175