Wel-come ...
As far as add-ons the only one I know of is Zeewolfs ( ya have to pay for the main stuff ) but he's done an excellent job changing up the original missions plus he added a new German mission plus alot of other stuff
... you can check it all out here
http://www.tanksimzw.com/ and you can get a free add-on as well
Theres also a MMP add-on that you can find here and it's free I think
http://panzersim.forumotion.com/forum
Good luck
