If you are looking for great free icons for your maps we suggest that you go to this site: http://mapicons.nicolasmollet.com/about/about-project/
There are thirteen catagories, seven styles and you can cusomize the colors to match the desing of your wbe site. it is really easy to do and quick to download and best of all they are FREE!
Special thanks to Maps Icons Collection http://mapicons.nicolasmollet.com
for making these icons available.