the guy in the dark blue shirt with white hair and beard and glasses is Bruce Cockburn..
http://gallery.phillyburbs.com/album...Canada/19.aspx
The guy with tattoos is Josh Todd. He's front man for a group called BUCKCHERRY.
http://www.buckcherry.com/
Live8 photo
http://gallery.phillyburbs.com/album...Canada/42.aspx
Gord:
http://gallery.phillyburbs.com/album...Canada/56.aspx