Pictures:

What has a head and a tail but no body?

A coin.

975

How do trash collectors learn their trade?

They pick things up as they go along.

973

What begins and ends with E but has only one letter?

Envelope.

950

What gets wetter the more it dries.

A towel.

979

Why shouldn't you write with a broken pencil?

Because it's pointless.

971