Put your head through a window and the pane will just disappear!
With oinkment.
They work it out with a pencil.
XP Edit: Explanation(http://en.wikipedia.org/wiki/ChiRho)
They don't have Windows installed.)
He left his head and shoulders on the beach.
Dunk your head in a bucket of water and pull it out twice.
Too many frames.
The noise gave her a headache.
Two Panes
Hocus POTUS