Princess Celestia and Princess Luna have a dispute during and after a royal delegation with the sultan of Saddle Arabia. After the argument the two storm off, fuming at each other. Discord hears the dispute and attempts to makes things better his own way. The chaotic way.
Shenanigans ensue.
Collaboration between myself and TheMyth
Take a look at his work.

Derpy and Carrot Top have arrived at the Crystal empire on business. After agreeing to take a break, the two best friends go on a sightseeing tour around the outskirts of the Crystal Empire. The pair accidently find a ruined settlement from long ago. Little do they know, they have stumbled across an ancient secret and they aren't alone. This is going to be the greatest adventure of their lives, an adventure that will chill them to the core.