This week's book giveaway is in the OCPJP forum. We're giving away four copies of OCA/OCP Java SE 7 Programmer I & II Study Guide and have Kathy Sierra & Bert Bates on-line! See this thread for details.
I don't understand what you mean by "dynamically". The Google Map is downloaded to a browser according to the parameters you send when one opens a page, so it is always "dynamic".
Did you read the page I linked to?