Well arma is kind of game where you can change everything. What you need is time and knowledge.
I am not saying that i am knew everything, just such wide possibilities are inspiring. If you have something but not like you dreaming of just change it. Look that patch in there over 1000 lines of code. I wrote it within 16 hours not because i am maniac, only because i need it.
I am also glad if that is usefully for someone else.