whitehousephotostream:

P080910PS-0356:

President Barack Obama jokingly puts his toe on the scale as Trip Director Marvin Nicholson, unaware to the President’s action, weighs himself as the presidential entourage passed through the volleyball locker room at the University of Texas in Austin, Texas, Aug. 9, 2010. (Official White House Photo by Pete Souza)
This official White House photograph is being made available only for publication by news organizations and/or for personal use printing by the subject(s) of the photograph. The photograph may not be manipulated in any way and may not be used in commercial or political materials, advertisements, emails, products, promotions that in any way suggests approval or endorsement of the President, the First Family, or the White House.

Slick.