A text to remember I discovered about GIcon. Thats about Google MyMaps icons on customised maps embedded in my web page (e.g. SztumPole).
1. an idea
2. a website
3. an icon set
4. a method to place them in proper point
Icon set I found reading Mike Williams' post on Google Maps API discussion group. While you are on your own Google MyMaps, in web page properties, on Media tab (Firefox) is a list of all graphics. Reading further I found on his web site complete list of Google Earth icons.
The method is also described on his web site and on Google Maps API documentation site as well.