Kyler,
Always good to hear of positive results. You have some serious lag.
I really like the fact that you maintain your grip after making the mini swing motions when approaching from behind. It shows you are removing slack and keeping it out. As far as DynAlign, I don't see a a full version of it in your pre-shot routine. You are getting benefit from slack removal, so that's good. Full application of DynAlign should be even better.
In the second video as you approach from behind and make the mini swing motion with your hands, if you were DynAligning, the clubface would be pointed to the left and held, then brought back to the line with a combination of forward hip bump and right side bend. It looks to me that some of the advantage you gain by waggling could be lost unless the club is brought back to the line by body motion, rather than hand and arm motion alone.
You can notice slightly increased tilt in your shoulder line from address to impact. The fact that your lead hand grip is in a relatively strong position would cause you to have increased shoulder tilt at address if you did a full DynAlign routine. In that case the shoulder lines should be more similar at address and impact.
You have a lot of good things going on, so keep it up.
Craig