Off topic, but that joke reminded me of this episode of Father Ted (UK comedy about Irish priests sent in pennance to work on a remote island community)...

http://www.youtube.com/watch?v=4uOX_hbkAMc

Fans of the 1994 movie Speed may recognise the plot...

Anyone inspired to recreate that classic episode may want to start here:

http://poserworld.com/Downloads/Props/10567/Milk.Float.aspx

;-)