Silence. The golden rule is silence. Silence, and obediance.

For years, you have trained as a royal guard. Now, thanks to the fortuitous return of Shining Armour, your old-time friend and Captain, you are promoted to guarding Celestia personally. What follows, though, is the discovery of a personal side to the Sun Princess that you could never have imagined, not even in your most vivid dreams.

A story in the same vein as My Little Dashie, but not a carbon copy.
Awoken in the middle of the night by a mythical creature sitting on his doorstep, a man's life is drastically re-arranged by the sudden entrance of Princess Celestia. Struggling to accept things he couldn't ever think possible, he'll have to make a decision about what's worth changing his entire life.
(Note: I added the "Alternate Universe" tag because I imagined this being a reversed-roles universe where Luna is the big sister and banishes Celestia, rather than the other way around.)

A Ghost. A weapon. A tool. That's all he's ever known himself to be.

One day he's sent on a mission, a mission to assassinate a high priority target. When he fails that mission, and gets abruptly sent to a certain planet, how will he cope with being taken from the battlefield, and put into a world full of colorful horses that talk?
...
And will he have access to a Tactical Nuke?

Only time will tell in this tale of adventure and comedy!

While most humans are brought to Equestria through near-death, death, or shenanigans, some are brought with a purpose. Meet Zack, he’s young, capable, more or less polite, and our victim. Princess Luna requires a moment’s peace, free from her sister’s pranks. One night, Luna comes up with the perfect plan: playing matchmaker. With her sister plotting, Celestia peacefully slumbers with dreams of mischief ripe in her head. If only she knew just what her little sister was capable of…

This story is rated L (Luna) for infrequent strong language and shipping.

Please proceed to here for reasoning behind the cancellation.

After the 'Canterlot Wedding' incident the Changeling swarm was scattered across the land, enslaved by pony warlords and slavers beyond the borders of Equestria. Weak, desperate and with only a dozen changelings to her name, Queen Chrysalis resorts to summoning one of the most obscure creatures in mythology; a human.

Thanks to zinger906 for giving me the idea for this story.

Conjuration is a lost art in Equestria. Celestia is bored, and decides to learn some summoning spells. She summons an otherworldy creature, but will it be anything like what she expects? A non adventurous HiE. Mostly just learning about interactions. I'm just gonna roll with it, and add tags an ratings as the story unfolds.

While moving to her new home, Zecora find the strangest creature - a large, nigh-hairless talking monkey-thing. Seeing how it lacks basic knowledge on surviving in the wild (and that it's quite tall and probably good at manual labour) she decides to adopt it as her assistant. Hopefully, she won't come to regret her decision.

Applejack finds a strange visitor in her apple orchard one day, with even stranger stories to tell...
MLP/L4D2 crossover. My first story on FiMfiction.net! May add more tags as story progresses.
Credit for the image goes to brokencreation on DeviantArt.

When Twilight Sparkle decides to try a new spell she has perfected, she successfully pulls a being from another universe into Equestria. That being coincidentally is a human...that human coincidentally is you. What at first just seems like an opportunity for first contact between two species soon becomes something much more when certain truths are brought to light...and everything you knew about your life is flipped onto its head.

NOTE: At times in this story, the main character's thought process will be shown as an inner monologue with his brain. BRAIN's dialogue will appear in this color of text.