Ears look fine to me, I would put the screws in and see how that affect things, as you say it will help pull things together. Take that pic from a few feet away as you are looking at someones elses TK and not your own and I’m sure you will feel more pleased with your work From a little distance those minor gaps will look more like shadows around the ears
While I’m at it, perhaps you plan to revisit the eyes but if not, I would be inclined to trim them some more