Author: Pinkie Pie, shut up! No you can't name- You already did. Son of a...
Pinkie Pie: So author, you're always writing stories about me! How about I write a story about YOU!?
Author: That is a horrible... horrible... HORRIBLE ide-
Pinkie: Spectacularific! Let's do it!

A hack author (from "Extremely Terrible and Horrifying Stories" and "Mystery Pinkie Pie Theater 3000") is attempting to write his next magnum opus. Then Pinkie Pie happens.
Not the most original idea in existence, but hey, this is my take on how it would play out.

Ponyville, has been such a safe place for so long a time that the residents have forgotten what danger truly is. But the dangers of the world haven't forgotten Ponyville. With Celestia away on royal business, an ancient evil decides to strike. Can Pinkie stop it before it attacks Ponyville? Can she even function? A two parter in defense of Pinkie Pie, with a dramatic conclusion!

This story is a sequel to Silent Ponyville

In an attempt to make her feelings known, Fluttershy begins to persue the target of her delicate heart's affection. However, when her interest seems to be oblivious to her feelings will she find the inner strength to admit her true feelings to the one she desires? Or will disaster follow her at every turn? (Takes place 1 month after Silent Ponyville, but is not required reading material)

Sequel: http://www.fimfiction.net/story/4868/Silent-Ponyville-2

This story is a sequel to The Rainbow's Surprise

On the day of Fluttershy and Rainbow Dash's wedding, Princess Celestia left Twilight a message saying that she should prepare herself if something happens. The next morning, Twilight awakens to find that all of Ponyville has succumb to a blinding fog. She must now travel a monster-filled town in search for her teacher and friends and try to return Ponyville back to the way it was.

Rarity asks her lover to fulfill her greatest fantasy. Twilight is sceptical.
Rated Teen for talking about adult thingies.

For the small town of Ponyville, the eve of Nightmare Night will forever be seen and viewed as a tragedy and murderous event. Pinkie-Pie, the Party Pony of Ponyville, has been accused of murder by a Health Inspector working for a rival chain of bakery and sweet shops in Equestria. Even with a powerful defense, Pinkie-Pie was charged with one count of Murder, but fled Ponyville soon after, her friend Fluttershy honorably taking the fall for her escape and herself being imprisoned for being an Accomplice. Five years later, a Detective Pony, Mr.W.Quill, will learn and discover the mystery of Pinkie Pie's Dark Descent, and the grim, bloody trail that was left in its wake. How the story ends...only through hearing the tale will the Detective discover it. He is willing to unravel the truth behind a plot of sinister evil...and will learn what a Pink Mare had to do, to save herself, and a town under siege

This is the tale of a baker, who had everything...and a colt of Power took her friend away, destroyed her happiness, and accused her of a most atrocious crime...and in her sorrow...a new mare was born. Never Forget...NEVER...Forgive.

Stay Tuned for a sequel!!!

Everypony has their secrets. Their own 'guilty pleasures' that they try to hide even from those closest to them. What kind of secret does Twilight Sparkle keep to herself, and can she indulge in it when she has the whole library to herself?

"In a world where lesbian shipping is the norm, Rainbow Dash struggles to find a way to convert her best friend back to homosexuality while dealing with her own prejudices in the process"

The following is a continuation and sequel of Pinkamena: The Dark Descent

It's been a few days since Pinkie Pie, the Party Pony of Ponyville returned from being banished to the moon after killing Inspector Trottington. Upon a review of her own actions and mentality during her "baking", Pinkie Pie seeks the professional help of Luna and a close Therapist Pony friend of hers in hopes to find the answers as to why she was so comfortable and unbothered by what she did. What they discover...is unimaginable. A dark entity is living inside Pinkie Pie, and although it has never controlled her, it had influenced her dark actions after being awoken from the sorrowful emotions of the Pink Mare. When a spell to rid this entity misfires, the entity succeeds in escaping from its pink prison, and escapes from Canterlot, fleeing to Ponyville. It's reasoning and purpose unknown, it finds and corrupts the first pony it comes in contact with...Twilight Sparkle.

Returning to the scene is our friend Detective W. Quill, curious as to the origins of The Entity and what its intentions are. Along for the ride comes Scootaloo and Fluttershy, hoping to aid the detective in his case.

With Twilight "Ponynapped", Canterlot in a state of shadowy chaos, and The Entity threatening all of Equestria...

...one Pink Mare, armed with a lantern, matches, and her own sanity...must travel to a place of nightmares, and begin A Darker Descent.

It all begins with a night spent above the clouds�
Overnight, everything changes for Fluttershy and Rainbow Dash as they at last begin to realise that they�ve always been a little more than just friends. As they unravel their newfound feelings, discovering more about each other and themselves, they can't help but wonder if they both feel the same way � and after Rainbow Dash makes a mistake that could take a lifetime to mend, she fears that she may lose her closest friend forever.

Cover Art: Mornin' Sleepy Head, by Kiyoshiii at DeviantArt