How do you setup custom place markers when using Google maps that are embedded on your site?
It requires the use of the google maps api. The custom markers are just images that can be used. The example there is very elegant by moving to a selected marker based on click.
for a full overview of the google maps api goto: http://code.google.com/apis/maps/index.html
Marc Grabanski has done an amazing job creating a tutorial to acheive the same effect as above using google maps and Jquery. There are several Jquery scripts that make working with google maps a little bit easier. Have a look at: