Applejack’s face and posture (forehooves crossed) is supposed to preety much say: “Aww, shugs sugarcube.“I’m afraid without mouthes (or a lot of space to add mouthes) such facial expressions don’t come out as clear as they should based on eyes alone.Pinkie Pie in the background woulb probably be in a continuous Pinkie bounce, excited about the joy of everypony else.
There are some other versions of this scene with different lighting and slightly different angles links of which I posted on deviantart.
I submitted a version of this image to a little art of the month contest in a brony forum I’m attending, where I got some helpful constructive criticism. It was justly pointed out that the figures are standing apart too far from each other, so it doesn’t look like they were interacting and also the lack of background other than the grass mat was a bit dull. I’ll do my best to do better next time.
[Those who get the reference will understand the scene in this context would be violent to say the least].
Edited
Thank you very much, Haruka Takahashi :)