AI Skalisty Island

So ive been watching all the videos bla bla bla and nothing covered the fact where and how to place AI's i already have sarge AI units on my chernarus server but i want them to spawn on skalisty island and i want there to be around 40 range but i cant get it to spawn them and i also want 1 or 2 helicopters could anyone explain to me how i might do this? any help is appreciated