Fish and ships.
or
He made sure his pools were clean and his lawns were mowed.
or
I said, "I've been on telly but I'm no Dean Martin".
or
A snail because it carries it's home.
or
Twenty. One to hold the bulb, two to turn the ladder, and 17 to be on the guest list.
or
The owner got tired of the (w)hole business!
or