Write about something usually seen as beautiful – a flower, supermodel, cathedral – but write about it in an ugly way, or in a way that brings out an unexpected ugliness.
Write about something usually seen as ugly – warts, violence, Christmas sweaters – but write about it in a beautiful way, or in a way that brings out an unexpected beauty.
Write this scene: A character has ordered something online. S/he would be mortified if anyone found out. But it is accidentally delivered to his/her neighbor…