The original sketch was by this dude
, and you can find it right over here
, along with a few other doodles I may become so inclined to vector.
This one was fun to do. From tracing the thing to coloring it in to differentiating Sweetie Belle's and Apple Bloom's art styles, it was all just a bucket of fun.
FUN FACT: "Confound these ponies! They drive me to procrastinate on three finals at once!" would be an appropriate description for this piece.
EDITO: Can't stop staring at Apple Bloom's brain...
No, the one she drew!
EDIT AGAIN: I forgot AB's iris-shines! How could you people let me forget such an important detail?!