Hi SniperHF,
thanks for your comprehensive anwser.
1. oh, but that should not be a problem. Until I am proficient enough to create the things I like with the editor the game is probably even cheaper than now with the sale.

(but I have to say I don't like it that steam monopolizes the modding scene since most people buy it there. sigh.)
Yeah, the thread you linked was the thread I found so far. Will read it to get a better understanding about the asset possibilies.
