Acting on prompts from some writing buddies, I am spending no more than ONE HOUR to write short stories featuring two characters picked by one person, in a setting picked by another.

One hour per chapter. No advance knowledge. No plans, no notes.

All fiction.

Buckle up.

Against her grandmother's wishes, Applejack stubbornly goes to work in a disused field on the edge of the Apple family's lands. What she finds there is far, far worse than an upset grandparent.

An entry for Equestria Daily's 2012 Horrorfic Contest.

UPDATE: Well, 4th place ain't bad, I guess...

UPDATE: A live-reading of this story can be found here.

Twilight Sparkle and her fellow Elements of Harmony have faced down supernatural foes of the highest order, but sometimes the deadliest danger can come from places one would least expect. As Twilight is forced to bear a devastating secret, her efforts to keep the Elements together may well tear them all apart.
The plotline of the thrilling Pony Psychology Series continues with an exploration of deception, despair and Discord.
This series takes place between Season Two and Season Three.
Secrets and Lies shares the Pony Psychology Series TVTropes page.

After a fire in the Everfree Forest severely damages Zecora's home, the Cutie Mark Crusaders vow to bring the Pony responsible to justice.

An entry for the February Write Off competition.

UPDATE: Edited with fixes and some slight scene changes Mar. 12.

The Ponyville Six visit Canterlot to watch Rainbow Dash participate in a long-distance race. However, a visit to Twilight's favourite donut shop results in the bookish Unicorn finding herself in a pitched donut-eating battle with a certain pink Party Pony, with disastrous results.

This short story was created as part of a writing audition for the Equestria Online MMO.
I hope you enjoy it as much as the game's staff apparently did! :D

In search of gems to complete her ornate Nightmare Night costume, Rarity accidentally finds herself transported to a world where a holiday not unlike Nightmare Night is less an event than a way of life - and her friends soon follow in hopes of rescuing her. Or, to put things more lyrically....

It was some time ago, but not too long, you see?
In a place that perhaps you have seen on TV.

For this story spans places far from pedestrian,
Crossing spooky and dark with bright and Equestrian.

Now, you may be asking how that crossing was done.
If you are not, I'd say it's time you begun!

(An excellent talking-book version of this story can be found here.)

Pinkie Pie is overjoyed when she meets a Pegasus who seems almost exactly like her.
She's fun, silly, and Pinkie's friends take an immediate liking to her.
What could possibly go wrong?

Translated into Russian here!

One by one, Twilight and her friends must come to terms with the consequences of being the Elements of Harmony.

These stories take place in the intervening time between Season One and Season Two,
with the exception of Ditzy Doo: Muffins, which takes place early in Season One.

The series continues in the sequel, Secrets and Lies.

Pony Psychology has a TV Tropes Page.