Forest pond with calm relaxing waves and a live 24 hour sky.

Based on the beautiful photo "The calm before the storm..." by Keven Law, taken in Bedgebury Pinetum, Goudhurst, Kent, England:

http://www.flickr.com/photos/kevenlaw/2592566393/

Other contributors:

Balloons: turtlemom4bacon, falcon1961 and Eric Ward
Moon: Luis Argerich

Thanks everyone for the creative commons licenses!