30 minute challenge dump: monthly edition.

Cartoon Physics: That dang road pegasus is a crafty one. (I originally intended her to be Dash, but the good folks at derpibooru thinks she looks more like Derpy, so I’ll roll with that.) Derp derp!

Limestone Pie: You just couldn’t stay away from Holder’s Boulder, could you?

Changelings transforming into other ponies: Queen Chrysalis will have her revenge.

Poison Joke: Doesn’t seem to bother AJ as much as Twilight this time around.