Say what?

English, like most languages, has a multitude of idiomatic expressions. Fortunately, some of them express a similar idea to Spanish expressions. However, there are often slight differences in the wording. What Spanish expressions are equivalent of the English expressions below?

A bird in the hand is worth two in the bush.

It's like comparing apples and oranges.

A picture's worth a thousand words.

Stop pulling my leg!

Don't beat around the bush! Get to the point.

I've had it up to here. (indicating forehead with the side of your open hand)