Sixgun, Pretty good!!
Here are a couple ideas to look at.
You might try to get your string hand thumb down so the tip of your thumb is facing the palm of your hand. That will reduce tension in your string hand and help your release. Hand, wrist and forearm need to be as relaxed as possible.
When you do release, your string hand isn't coming straight back and is a little violent. If you can come straight back off the string, your hand will slide along your cheek and end up behind your ear.
These are relatively minor, I've seen many Hill shooters that would like to be where you are.
Arne