Error message

Deprecated function: Methods with the same name as their class will not be constructors in a future version of PHP; GeSHi has a deprecated constructor in require_once() (line 915 of /var/www/davidherron.com/sites/all/modules/libraries/libraries.module).

Podster.de

Podster.de is a German language podcast directory.

They use a single level hierarchy of topic categories.

I can't read the site well enough to review it any further.