This member has provided no bio about themself...
He said 'I wanted to ask something, yet I forgot what'
Just. Put. Files. From. Locale\English. To. Locale\German.
Put files from Locale\English to Locale\your_version
First of all, have you patched DC to 1.2?
Next, if no mods appear in mod manager, then try to install some little mods, often it helps and all the ods appear in mod manager.
Old stuff, needs update.
Flyers just can't be implemented with DC engine, only Soulstorm has sufficient code to do that. Even then most W40K flyers can't be used with that engine.