Barhandar 
(twi|pony)booru.org
Images with broken anatomy aren’t a good thing to reference from.
5 comments posted
Chaoslux 
Yeah, its clearly inspired by the other piece, the resemblance is uncanny, but i’ll give credit to the artist that he actually worked to improve his own skills, i cant just put both pictures on top of each other like several, much more flagrant, examples of tracing.
Background Pony #7164
I wanted to test my drawing skills, and this link is my inspiration. ^^
JP 
I miss the show so much
Trace? >>604973
RainbowDash69 
Siiiix seeeeven!!
So many restraints! I love it :)