Pictures:

What invention lets you look through a wall?

A window.

960

What is blue and smells like red paint?

Blue paint.

974

Why is it hard to organize a professional hide-and-seek tournament?

Good players are hard to find.

972

What 5 letter word becomes shorter when you add 2 letters to it?

The word 'short'.

988

Why did Arlene bring lipstick and eye shadow to school?

She had a make-up exam.

957