icex writes:  

Another color variation of our fortress theme.

Theme name: Fortress_knight

-Dark gaming style theme
-Matching phpBB forum skin
-Flash navigation buttons in header
-Flash news ticker in the header
-Logo files in psd, gif, jpg and png format
-Header photoshop psd file included
-Compatible with PHP-Nuke versions 7.5 through 7.9

Includes instructions on how to install and edit your theme to fit your personal needs

You can view it here --> http://icexdesign.com