The Headshot by DavidDPD
is licensed under CC BY-NC-ND 2.0 via Flickr
The Headshot and its three variants.

From Left to Right: The landscape headshot, the portrait headshot, and the over-cropped "artistic" landscape headshot.

These might seem to be a bit aggressively cropped. If so, the head-and-shoulders may be more to your liking.