2013-07-29 Stock Footage : Circle product display Af4 Stock Footage : "BlueBackIMAGE". http://www.pond5.com/stock-video-footage/1/clipbin%3A366328.html http://www.motionelements.com/c-1062-circle-stage-stock-footages.html http://footage.shutterstock.com/gallery/BlueBackIMAGE-352735/