final MapSimplePolygon poly = new MapSimplePolygon(points);
poly.setStyleId("poly");
_bigMap.getModel().add(poly, "Polygon", true);
// Add a GsImage
final GsImage img = new GsImage();
img.setIconUri("http://us.blackberry.com/developers/logo_black.jpg");
img.setLat(43.49000);
img.setLon(-80.53919);
img.setName("Logo");
img.setDescription("Rim logo");
_bigMap.getModel().add(img, "Image", true);
// Change the style so we can see the content under the polygon.
// Use ID based style.
final StyleSet styles = _bigMap.getMapField().getDrawingStyles();