
- Create the directory /etc/guest-session/skel
- While logged on under an admin account, start a guest session
- Make any changes to the guest session that you want using whatever tools/utilities you wish
- Change back to admin account and open a terminal
- cd to /tmp and find the temporary guest home directory (guest-XXXXX).
- Copy the files in the temporary guest home directory to /etc/guest-session/skel using the command: ‘sudo cp -rT /tmp/guest-XXXXX /etc/guest-session/skel-.
- Log out of the guest session and login again to check
Sumber: http://ubuntuforums.org/showthread.php?t=2152804&s=c6604348c963633459398c26a411d709&p=12687863#post12687863