Theoretically at least, what you say is true - that kde hooks for screensavers wont modify it on gnome/xfce/etc.
I'd be more comfortable if someone could double check this - and i cant, as i dont have gnome installed. -- kscreensaver-xsavers installed but screensavers from xscreensaver-gl missing https://launchpad.net/bugs/49228 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs