And, courtesy of my father, two pipe jokes that weren't on the link:
The Irish gave the Scots the pipes, and the Scots haven't gotten the joke yet.

A piper needed the cloth cover on his pipes cleaned, so he removed it from the instrument and took it to the dry cleaner's. The person behind the counter took the cloth, turned it over and over, examined it closely, and finally asked, "Mister, just what kind of dog have you got??"