The sweater looks way better now. Except the collar which doesn't really match the rest but you probably already know that. That green background image makes it hard to see the model because the background image is waaaay brighter and takes the eye's focus. Turning down the saturation and value of the background image will…
To avoid obvious visual holes in the hair planes, paint at least the basic color of his hair on the as the texture on the top of his skull. Still plan to fill out all the hair planes, but if you have a texture that's hair-colored or hair-patterned beneath them, then it's way less jarring if we end up seeing through the…