After years of being denied the Defense Against the Dark Arts job, Snape recieves it in harry's sixth year. From whom? The new Dark Arts professor, a foreign ambassador, offers to switch places. Is this switch for the better?

What if Harry Potter fails and the world is plunged into total darkness? Hermione laughed. That could never happen. But there was a quiver in her voice as she said that.

A Highly Humorous Account of What Happens Next. Lupin gets married and settles down at 12 Grimmauld Place, Filch has a secret crush, Harry meets his godmother, the truth about Harry's parents is discovered, plus many more hilarious happenings at Hogwarts

A Death-Eater is sent to break a memory charm put on a Muggle by the Ministry of Magic 14 years ago. But the Death-Eater falls in love with the Muggle and doesn't want to make her remember what she was put through years ago. R for language and some viol

Yes, lame, lame title, I know, but that's basically what happens. The teachers take a holliday, get high, and end up switching places with some students. R for language and sexuality to take place in later chapters.