Darkwood is a template created by KHK and BH. You can get a WordPress, Joomla, Drupal or HTML Versions of this template from Here (removed).
This template is a 3 column template which use multiple widget zones so you will have to use the latest blogengine.net version 1.6
You can see another theme for BlogEngine.net, New blogengine theme – Premium – 3 column here
Download the theme here