Pictures:

What is black when clean, and white when dirty?

A black board.

2032

What does the Eiffel Tower have in common with a tick?

They are both Paris sights.

1875

What looks like white paint and smells like blue paint?

White paint.

1755

What do you call a wasp that would prefer to be a bee?

A wannabee.

1560

Why don't vegetarian's fight with each other?

Because they don't want to have a beef with each other.

2418

What did the plate say to the food?

The meal is on me.

2050

Why can't you trust a staircase?

It is either up to something, or letting you down.

2450

What happens to a snowman that gets angry?

It has a meltdown.

2090