My personal favorite is (from Southwest, of course):

"In the event of a water landing, remember, it's paddle, float, paddle, float back to shore."

and also on a WN flight, the FAs had a 'landing song' (sung to the tune of "She'll be Comin' Round the Mountain") that covered about every pre-landing announcement there was. Hysterical and the FA had a pretty good voice.

Say what you will about WN, their boarding procedures, etc. - they know how to have fun at their jobs. Even the pilots and gate agents get into the act. It's nice to see people not take themselves too seriously, especially these days. Wish the Dumkopftransportensecuritifuhrers (I MEAN, the highly-trained government security screener specialists) thought the same way.

- Sameer