Stinky woes

Joke: How do you keep a skunk from smelling?

Joke: Knock knock!
Who's there?
Theresa!
Theresa who?
Theresa courier for you!

Joke: Knock knock!
Who's there?
Al!
Al who?
Al give you a hug if you open the door!

Joke: Why did 1/5 go to the masseuse?

Joke: Why didn't the baby oyster share its pearl?

Joke: What kind of computer sings best?