Ok. I may already present you half of it (Siege and Commanding) of which I have to rework Commanding since I found a nice medieval way of explaining things in German, which I found out later at siege.
Btw. as a Minecraft Server-Admin I am really often using TeamSpeak and also talking there to both German and English users and I saw in your E-Mail that you have a sever too. So there is a possibility to talk to each other if you like to