ba.ckground.com » black http://ba.ckground.com Free backgrounds Tue, 20 Dec 2011 00:00:00 +0000 en hourly 1 http://wordpress.org/?v=3.2.1 Blue lights Background for Powerpoint http://ba.ckground.com/blue-lights-background-for-powerpoint/ http://ba.ckground.com/blue-lights-background-for-powerpoint/#comments Sat, 06 Jun 2009 18:02:26 +0000 admin http://ba.ckground.com/?p=226 This is a dark background with blue light effects for Powerpoint presentations. You can download it for free.

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