Here are some randomly selected joke topics
Blondes
Q: What's the difference between a blonde and a terrorist?
A: You can negotiate with a terrorist.
Cats
What do cats like to eat for breakfast?
Mice Crispies.
Aliens
What do you call a fat alien?
An extra cholesterol.
Cargo
Why is it if you send a package by Ship it is called Cargo,
and if you send it by Car it is called a Shipment?
Cold
Knock, knock.
Who's there?
Ken.
Ken who?
Ken I come in? It's really cold standing here.
Cinderella
What did Cinderella Dolphin wear to the ball?
Glass flippers.
Smart
He's as smart as a politician is honest.
Programmers
Programmer - A red-eyed, mumbling mammal capable of conversing with inanimate objects.
Nurses
My friend just fell in love with the head nurse at the hospital where he is - I guess you can say that he's taken a turn for the nurse!