Just the sketchs of Mad Max crossover. practice body making, demonstrate how Max would be able to use his a double-barrel shotgun in his ponifed form.
1.) Tie weapon up-side down on his arm.
2. ) Tie small cord on the triggers. Allow him to fire the weapon.
3. ) With up-side down position, Max can reload his weapon by using his mouth or later; his hoof to grab stuff.

And finally some a unfinished sketches.

Mad Max © George Miller
MLP: FiM © Hasbro
Art ©  Droll3