I did find these on the WH site however:
President George W. Bush comforts a man Tuesday, April 17, 2007, during the Convocation on the campus of Virginia Tech in Blacksburg, Va. The President and Mrs. Laura Bush attended the service honoring students, faculty and staff who died or were injured in Monday's tragic shooting. White House photo by Eric Draper
The man was identified in an earlier pic as James Tyger, VT's Student Government Assoc. president. 
Nikki Giovanni, renown poet and Virginia Tech English professor, raises her arms in cheer after offering remarks Tuesday, April 17, 2007, during a Convocation honoring the victims of Monday's deadly shooting. "We are the Hokies! We will prevail! We will prevail! We are Virginia Tech!" Ms. Giovanni said, bringing the audience to its feet and into spontaneous cheer. White House photo by Eric Draper