I didn't notice the hoof until you mentioned it, but it's not too bad. Not sure how to pull off that pose without bending the rules a bit anyway. I think this turned out nice! Certainly plenty of emotion in the piece!
Poor AJ. She can no longer stand the lack of attention she gets in the show. Upstaged by Derpy in her own episode, then we get to see her botch the family reunion, and oh yes, that horrible dress she made in the S3 finale. Don't forget all the times she pretty much just stands there in the background while everypony else has something to do, like in Friendship Express. No need to cry. You'll get some love in Season 4... maybe.