Ah, Autumn, when the leaves drop from the trees...

'What?'

Nothing, here's your Nine pence.

I hope that funny joke, 'cose I'm don't understand

Her dress is made of leaves. And the title is Autumn Evening...

Another word for Autumn is Fall, which the leaves do from the trees.

And the last one is a line from a Monty Python film, said hurridly when one of the characters starts questioning the situation. a variant of 'Wait, what are you doing?' "Quick, over there!"

Thanks! Now I'm understand