Pictures:

What gets wetter the more it dries.

A towel.

979

What starts with P and ends with E and has thousands of letters.

Post Office.

956

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

Good players are hard to find.

972

Why did Barry get heartburn when he ate the birthday cake?

He forgot to take off the candles.

963

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

The word 'short'.

988