Art Trade with Sketchywolf-13

I don't know about the title.... ;m;
_{Perspective is a bit fucked up as well}

My part of an art trade with the amazingly talented
Here's his part:
 
It's just too awesome
You have to take a look at his other drawings and watch+ if you haven't done this already


Infos about my drawing:
size: DIN A 4 (waaay too small for detail)
time: around 10 hours
tools: colored pencils (brandless ones from kindergarden, because they're just as good)
photoshop: contrast boost and white dots


Sketchy (c) Shane "The Sketchy" Phillips
Rarity and Squarebutt Trenderhoof (c) Hasbro, MLP


Critique pls (✿◠‿◠)
Okay, I really need to know what to improve on!