Enhanced Theme: Additional background images.

themes/enhanced/images/backgrounds/license.txt

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+Background Images
+
+Image: sand_sea.jpg
+License: Public Domain
+Source: http://www.publicdomainpictures.net/view-image.php?image=15812&picture=sand-texture-and-the-sea
+
+Image: wave.jpg
+License: Public Domain
+Source: http://www.publicdomainpictures.net/view-image.php?image=2766&picture=breaking-wave