The “semi-grimdark” and “anything else” spoiler images were made by me using this template. All other spoilers are official spoiler images.
The Derpy image I used, by GingerFoxy, can be found here; Rainbow Dash in space, by Yalcahoon, can be found here; and ModeratelyDeviant’s image of Celestia for “fire in space” can be found here. The Pinkie Pie vectors used were verappp’s Pinkamena and Kyrospawn’s Happy Pinkie.
Anyway, I hope you like it!