get yourself a de pbo program (From editors depot) to rip battlefield apart and then drag n drop the town triggers and markers
as for a killzone, this is done using 2 triggers
trigger A, is a larger area and carrys a warning titltext message
and trigger B, a smaller area, kills the player
the triggers need to be set to repeating
set to either East,West or Anybody
kILL TRIGGER
condition:
(vehicle player in thislist)
on activation:
if (vehicle Player in thisList) then { Titletext[format["You entered aRestricted Safezone"],"Plain down""] AND player setdammage 1}
WARNING TRIGGER
set to repeatedly, and either triggered by anybody, east or west
condition:
(vehicle player in thislist)
on activation:
if (vehicle Player in thisList) then { Titletext[format["WARNING\nRestricted Safezone"],"Plain down""] AND playsound "Alarm"}