Something slightly less crazy

fn_CreateMarker.sqf

private _type =
	switch(toLower _difficulty) do
	{
		case "contamination":
		{
			"ExileContaminationZone";
		};
		default
		{
			_markerType;
		}
	}
}

if (DMS_ShowMarkerCircle) then
{
	_circle setMarkerColor _color;
	_circle setMarkerType _type;
	_circle setMarkerShape "ELLIPSE";
	_circle setMarkerBrush "Solid";
	_circle setMarkerSize [150,150];
};