google map location pointer

VEry good control which you can search for location with auto complete function and showing the location pin on google map.

Google Mapl Play back

1. very good example
2. complex example
3. click to show the point example
4. example in flex

Google Map API V3 vs V2

Adding Marker in V2:
map.addOverlay(marker);

Adding Marker in V3:
marker = new google.maps.Marker( { position: point, icon: icon1, title: sTitle, map: map } ) ;

Removing Marker in V2:
map.removeOverlay(marker);

Removing Marker in V3:
marker.setMap(null);

Actually there are many more difference, but this post only highlighted basic one.

label on googlemap marker

This open source for labeling on googlemap marker is very useful.

Checkout the example from here, where you can inject html code to show your label.