Sync your wallpaper with Bing's image of the day, every day.
$ go get github.com/kkyr/bingo
USAGE: bingo [OPTIONS]
OPTIONS:
-k update wallpaper once and exit
-o string
output file for logs
-t string
24-hour time when wallpaper is updated (default "08:00")
bingo is best run as a daemon, so that it can update your wallpaper in the background every day.
You should preferably register it with your OS as a startup application. If you're using GNOME you can do so in Startup Applications:
If you only want to update your wallpaper "on demand" then run it with the -k flag:
$ bingo -k