FiM + Stephen King's The Dark Tower. A re-telling of the first two episodes, in a world where the balance of power is in flux, and Celestia charges Twilight Sparkle's protection to a mysterious gunslinging earth pony from another land.
Continuation of the Flipverse! Spike, the new Element of Magic has moved to Ponyville. A specter from his past, however, isn't willing to let him sit around with his new friends and his "happily ever after..."