GDM has no screensaver

Binary package hint: gdm

I rebooted my computer (Edgy Eft) after work and returned the next morning to see a burned in image from the gdm login screen.

I found a possible way to correct the behavior at http://gentoo-wiki.com/TIP_Screensaver_in_Background

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GDM

OK, first thing is to set up gdm (I use 2.5.90.1, but it looks like 2.4.1.7 should work). As root, launch gdmsetup and set local login to standard greeter with no background. Then open xscreensaver-demo, find your favourite screensaver, hit Settings, Advanced, and note down the command line. Convert the program to a full path - if it isn't in your path, it's probably in /usr/lib/misc/xscreensaver. Then, edit /etc/X11/gdm/gdm.conf, find the BackgroundProgram line and set it to something like:
File: /etc/X11/gdm/gdm.conf

BackgroundProgram=/usr/lib/misc/xscreensaver/skyrocket --root

or

# BackgroundProgram=/usr/lib/misc/xscreensaver/xmatrix -root -small -delay 20000

    Now restart gdm

/etc/init.d/xdm restart

and watch the screensaver paint the root window behind the login box! What other OS can do that?

Note, to make this works after you log in remove nautilus from your session so that it wont start when you log into gnome, this will leave you with the default grey background... but you can now run xscreensaver as a background, along with Xearth Xplanet and Xaquarium.
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