Fauna is a highly adaptive open-source draping (theme) for WordPress-powered websites. [It] is engineered for simplicity and uses only pre-existing WordPress features.
Pros: Fauna is customizable via an easy-to-use “Current Theme Options” interface and features built-in support for several WordPress plugins. Fauna’s image templates are available for those who wish to further customize their Fauna-based theme.
Cons: None significant.
Note: Frost is “a cool and refreshing style” for Fauna, inspired by frost, ice, snow, and winter in general.