LAYERING Overlays:
1. Use this code:
@overlay OVERLAYNAME to layer #
2. Or change the layer through the background name.
INT. BACKGROUND NAME - DAY with OVERLAYNAME at layer #
or
INT. BACKGROUND NAME - DAY with OVERLAYNAME in zone # at layer #
or
INT. BACKGROUND NAME - DAY with OVERLAYNAME to % x y in zone # at layer #