Girl Talk is the name of at least 4 known artists:
These are photos from concerts where Girl Talk played, so they may be of other bands that played the concert as well.
Lollapalooza 2008 Aug 1 - 3, 2008 Chicago, Illinois, United States Uploaded by Kumo
Girl Talk May 3, 2008 Roanoke, Virginia, United States Uploaded by Brittney Sherry