map.setCenter(new GLatLng(52.37649, 4.888573));
add(map);
GIcon icon =
new GIcon("/pin.gif").setScaledSize(
new GSize(64, 64)).setSize(new GSize(64, 64));
GIcon shadow =
new GIcon("/shadow.png").setScaledSize(
new GSize(64, 64)).setSize(new GSize(64, 64));
GOverlay marker = new GMarker(new GMarkerOptions(map, new GLatLng(52.37649, 4.888573), "My Title", icon, shadow));
map.addOverlay(marker);
}