Hi, here are a few more FREE Google map makers that are quite good. Especially the quick maps & Showmewere for placing different pins on the maps..

http://showmewhere.net/gmap/index.php

http://quikmaps.com/

http://mapmaker.donkeymagic.co.uk/

http://www.aardvarkmap.net/

With some codes you may need a free Google API key. http://www.google.com/apis/maps/signup.html