Howto: Setup GDM and IceWM

# emerge gdm
# vim /etc/X11/dm/Sessions/icewm.desktop

[Desktop Entry]
Encoding=UTF-8
Name=IceWM
Comment=IceWM
Exec=icewm
Icon=
Type=Application

# chmod 755 icewm.desktop

and restart gdm -- should work! :)

Howto: Actually get a screensaver working in IceWM!

# emerge xlockmore
# emerge xautolock

Add this to /etc/X11/Sessions/icewm
/usr/bin/xautolock -time 5 &