Thanks for the hint, I'll try that.
Feh is one such viewer that can also set the background.
sudo apt-get install feh
To be sure, I am not trying to "set the background". To do that I use right
click on the desktop, or the Tweak Tool, or select the proper option while
viewing the picture. As I explained, it is precisely when using the Tweak
Tool to switch off "show icons on "desktop" that the problem
So the question is still hanging: how do you get the background to be drawn
if you do not want nautilus to handle the desktop?
Thanks.
I first tried the obvious way, by switching off the option through the Tweak
Tool, and got this grey background. That's why I tried to fix it through
dconf-editor, but what seemed to be the relevant option there
(org.gnome.desktop.background draw.background) is commented as
If I try to deactivate desktop management by Nautilus through switching off
the "show icons on desktop" option in the Tweak Tool, the background image is
replaced by the grey default backround at reboot (or logging off and back
in). I have tried to set it right through dconf-editor without