Ubuntu 8.10/9.04 Dual Head Monitors and multiple keyboard modes

Linux IT
Dual Head Modes:
Switching to VGA and turning off laptop screen
xrandr --output LVDS --off --output VGA --auto


You can switch back the outputs at the end of the presentation simply with a:
xrandr --output LVDS --auto --output VGA --off


Keyboard layouts:
(External keyboard)
setxkbmap us

(Laptop)
setxkb gb