Image link : http://www.flickr.com/photos/tamburix/1587036730/
Image name : beach stones (slide3.jpg)
Author link : http://www.flickr.com/photos/tamburix/
Author : Aleksandar Cocek 
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Image link : http://www.flickr.com/photos/48130275@N05/5749904299/
Image name: Digital wave (slide1.jpg)
Author link : http://www.flickr.com/photos/48130275@N05/
Author : thutrangvn
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http://www.flickr.com/photos/muslihzarth/5582553228
Image name: Abstrack background (slide2.jpg)
Author link : http://www.flickr.com/photos/muslihzarth/
Author : Muslih Zarth