How To Set GDM To Use The Current Gnome Wallpaper Automatically

There is a program called Xplash Background Settings that runs a daemon that changes GDM background setting whenever Gnome background is changed. It also has an option that makes it easy to change GDM background independently from Gnome background.


sudo apt-get install xsplash imagemagick python-gconf python-gtk2 python-gksu2 python-gobject


Download Xplash Background Settings deb package from here.

Post-install setup

sudo -u gdm gconftool-2 -t string -s /desktop/gnome/background/picture_filename /usr/share/images/xsplash/bg_2560x1600.jpg
sudo chmod -R a+rw /usr/share/images/xsplash


  • First reboot once
  • Then open Mint menu and go to Preferences/ Xplash background settings
  • Set the option to Use desktop background
  • Change Gnome background a couple times for the daemon to notice
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