by I'm not active on CS anymore, but if it's important, PM me, although I can't promise I'll respond. Outside of CS, I post my photography on Flickr and Pack.
O-M-freakin-G That is SO awesome!!! ♥ You captured the alertness and gracefulness of the Arabian so well! The only thing missing is a bit of motion in the mane, since Arabians are typically more active. I don't own one, but I hear they're rarely calm, even when they're older.