NatureFox is a WordPress theme by uepselon that allows a blog and a website to represent a natural environment.
The color of NatureFox based on brown and green tones, the background picture natural environment of a red fox has been chosen.
The theme is free and can also be customized to your needs. The stylesheet has been tested in popular browsers, and allows a correct display in Firefox, Chrome, Opera and Internet Explorer.
Theme homepage: http://www.foxload.com/naturefox-wordpress-theme/
Download: http://wordpress.org/extend/themes/naturefox