[frank ballenger]

RE: Paul trying to speak in code about the intruder....

The Get Smart show had that a lot.
Good ones:
Sign: The migrating birds fly low over the sea.
CS: Shadeless windows admit no light.
Sign: The wingless dove protects its nest.
CS: The toothless tiger rules the restless jungle

http://www.wouldyoubelieve.com/password.html

[gibsonguy]

Good one, darn funny.