- Edited
I've tested Nitrogen, it fails :
`nitrogen
(nitrogen:7363): Gtk-WARNING **: 17:35:06.081: Unable to locate theme engine in module_path: "murrine",
(nitrogen:7363): Gtk-WARNING **: 17:35:06.081: Unable to locate theme engine in module_path: "murrine",
(nitrogen:7363): Gtk-WARNING **: 17:35:06.082: Unable to locate theme engine in module_path: "murrine",
**(nitrogen:7363): GLib-GIO-ERROR : 17:35:10.945: Settings schema 'org.gnome.desktop.background' does not contain a key named 'draw-background'
Trappe pour point d'arrêt et de trace
`