I've done this in the style of my Adama deviation, in a painterly technique, instead of photo-realistic. Large hard edge brushes, large visible strokes, etc. Tends to look better as a painting I guess.
This is so beautifully drawn! And everything about his face is right, you can regocnize him at a first sideglance over the thumbnails. Amazing work, thanks for sharing! I enjoy looking at it and remembering Voyager
And yeah, he has a very recognisable head