Please add this one of Scott by Chris Snyder.
Have seen Scott look this way in concerts - have noticed it especially during Pain in My Heart.  This photo captures beautifully one of those moments when he seems so completely gone into the music. 

<img src="http://photos-h.ak.fbcdn.net/photos-ak-sf2p/v358/185/11/503091389/n503091389_844823_6394.jpg" width="450">