-1-
Got it _ !
http://gtaforums.com/topic/817922-c-draw-an-icon-on-the-mini-map/
var blimp = World.CreateBlip(_circles[_circles.Count - 1].Start, _circles[_circles.Count - 1].Radius);
blimp.Color = BlipColor.Green;
blimp.Alpha = 75;
Can be closed.