There's something strange and unnatural living in Bon-Bon's house.

Something other than Lyra.

Worgen? Try Ponies as the new Alliance race instead! Deathwing's Cataclysm breaks open the seals separating Equestria from the rest of Azeroth, allowing in the insanity that is World of Warcraft and WoW players.

I also recently got a spin off! Check it out!
"A Day at the Quest Hub" by Braininthejar
http://www.fimfiction.net/story/77999/a-day-at-the-quest-hub

WoP TV tropes page here:
http://tvtropes.org/pmwiki/pmwiki.php/FanFic/WorldOfPonycraft

Twilight Sparkle is interrupted from a midnight study session by the arrival of three confused magic students.

A short Harry Potter/My Little Pony crossover. Can the universe handle Twilight Sparkle and Hermione Granger in the same room?

EDIT: Rewritten per 2015-04-27

OHMYGOSH OHMYGOSH OHMYGOSH by Scribble Worthswords

After an unfortunate incident involving Rainbow Dash and herbal tea, Fluttershy wakes up one morning to discover that she has turned into a rabbit! With her friends unaware of her plight, Fluttershy must turn to Angel bunny to guide her on her quest to restore her original form. In the process, she is given the oppurtunity to experience everyday life in Ponyville from a whole new perspective, and discovers that there is much more to her friends' pets than she ever expected.

Cover art here if you'd like to compliment the artist: http://mischieflily.deviantart.com/#/d4wfix3

What do you do when you've been turned into a vampire?
For Cheerilee, the answer is "get a second job."

Ponyville's school teacher has it rough. The long hours, low pay, and lack of recognition are getting to her. On top of that, she's recently developed a little "drinking" problem...

A comedy.

Now with reading

Celestia who? That tall, awkward schoolfilly?

It's about Mr. Bean in Equestria.

A not so standard human-in-Equestria story including but not limited to: democracy, tequila, and robots.

Things escalate from there.

TV Tropes page

Now translated into Korean

Humans.

Truth or myth? Ancient lost civilization or just an old pony's tale?

No pony has ever seen one, and most haven't even heard of them. But Lyra knows that these wonderful creatures are more than just old legends, and she's going to find out... and possibly drive her roommate insane in the process.