First install the software:
% sudo apt-get install xscreensaver electricsheep
Edit your .xscreensaver options file and add electricsheep so xscreensaver can find it.
% egrep electricsheep .xscreensaver
GL: electricsheep --root 1 \n\
Add xscreensaver to your startup applications. Select the System Tools > Preferences > Startup Applications and add the application. The command is:
Update the screen saver and power settings settings. Select the System Tools > Preferences > Screensaver. Or you can run the command:
Log out and log back in to complete the installation.