xscreensaver and KDE
Getting xscreensaver to work with KDE isn't all that complicated. Simply disable the existing KDE screensaver, and put a file in your KDE autostart to make xscreensaver kick on. Put something like this in your ~/.kde/Autostart directory:
Call it xscreensaver.desktop or something. Then run xscreensaver-demo to configure it and you're off and running. From the xscreensaver FAQ
[Desktop Entry]
Exec=xscreensaver
Name=XScreensaver
Type=Application
X-KDE-StartupNotify=false
Call it xscreensaver.desktop or something. Then run xscreensaver-demo to configure it and you're off and running. From the xscreensaver FAQ