New York State's Contemporary Canal System Educator's Guide interactive Area Map with Directions - created for WCNY

Preview Canal System Map here

Preview example with multiple tabs. If you zoom very close to first marker above WCNY we will see – info box with several tabs
Also it show how markers and polylines might be used. It is possible to write and draw any letters and shapes on Google map. Google map developer might use static or animated images such as jpg,png,and gif as map markers

Preview Google map with custom flash video player embedded inside map info box here

Sample for Yahoo Map API embedded to web site preview here

Downtown Syracuse Map preview it here

Cleveland City Living - Interactive Map preview here

Purdue University Campus Map preview here

New Mexico Stories Interactive Map.
A community site that encourages residents and New Mexico visitors to share their stories and experiences in the state. Some of the photographs and images that appear are from museums and cultural institutions. Preview map here

Google My Maps Mashup: DC Taxi Zones: view here

US Presidents and their spouse(s) - Their Birth Places on Google Maps.

For history buffs and school kids, a mashup showing where presidents/first ladies were born. From George Washington through Barack Obama.

Preview birth places map here

Examples of using Google Maps - Google Maps Mashups

http://googlemapsmania.blogspot.com/

http://www.2itch.com/

http://www.programmableweb.com/api/google-maps/mashups

Google Maps API Examples and Test Pages

Hiding Google Map controls when not needed

Simple custom marker

Official Google Maps API Demo Gallery

Customizing GMaps

Google Maps API Examples

Overlaying Images on the Map

MCslp Map Works

http://econym.org.uk/gmap/egeoxml.htm

Mouseover tooltip

Mouseover tooltip 2

Detailed Google Map Zoom

http://gmaps-utility-library.googlecode.com/svn/trunk/snaptoroute/1.0/examples/detailzoom.html

Map explorer with scroll- down selection.

http://code.google.com/p/mymapexplorer/

http://johnbeales.com/demos/mtw/

http://channel9.msdn.com/posts/keydet/JavaScript-Intellisense-for-the-Virtual-Earth-Map-Control/

Google map API:

Google Maps API Reference

Google code map examples

Overlays

Google map custom icons

Polyline Utility

Ground overlay sample

http://code.google.com/apis/maps/documentation/examples/groundoverlay-simple.html

Advanced Map Overlay

http://code.google.com/apis/maps/documentation/examples/tile-detector.html

http://code.google.com/apis/maps/documentation/examples/layer-simple.html

Google Map Tools and Google map Tutorials.

http://code.google.com/apis/maps/documentation/polylineutility.html

http://code.google.com/apis/ajax/playground/?exp=maps#map_simple

gmaps-utility-library.googlecode.com

http://econym.org.uk/gmap/egeoxml.htm

If you looking for custom marker for your Google Map use Marker Icon Options:

Wizard
http://gmaps-utility-library-dev.googlecode.com/svn/trunk/