.Map :: MoHAA Mapping

I have added some AI to my map. I added the triggers and all that stuff. Now the tutorial says I need to add a .scr and all that. How do I complete my map to make the ai move?

thanks! the light works
but that fog didnt work

is that entered with scripts? hows that done

nothing about fog

and theres a way to compile a map with light options...thats where im getting at, how do i do it

I am making a map. To get a good visual for you, the map is set at dusk, foggy. How do I light this map? How do I add fog? What values would you sugguest?