After watching the last few episodes of Game of Thrones season 7 I've decided to give Jon Snow a new haircut. I realized he now has the same hairstyle as his "father" Ned Stark as well as Arya Stark. Even Benjen Stark had a similar cut so I believe this could very well be the official "Stark" hairstyle.
Also tweaked the face a bit more as well as the fur. Originally the fur was meant to look wet/soggy from the snow but I don't think that was coming across in the images.