The Microsoft Experience blog has links to the new themes, including one from Ian Rushton, who took 17 images of the beaches located on New Zealand's West Coast .
http://www.neowin.net/news/microsoft-offers-up-some-new-open-call-windows-8-themes
http://www.neowin.net/news/microsoft-offers-up-some-new-open-call-windows-8-themes
