 gmap field overview not entirely sure how to link to the advanced help overall page of a module so the links below may not work overview gmapfield is a cck module that allows a user to input a gmap macro  which creates a google map on the node and allows for the placement of markers from location s   cck configuration create a new cck field of type gmap field  with widget as gmap field text area  check add markers if you want locations to be added to your map check choose marker type if you want the nodeeditor to be able to choose the marker type choose default marker type  of course if you are not displaying markers this field does not matter choose coordinate data source  currently only location not cck location is supported cck allows for default values  you can choose the default value for the gmap macro but the default value for the marker will be overridden by the default marker type  field usage in the node edit form enter a gmap macro into the text area of the widget if you have permission you can choose the marker theming you can theme the markers that are created in the map by default the location theme is used impelemtation of theme hook function themegmapfieldmarkerwindow location null node null return theme location location to override in your templatephp file override gmapfieldmarkerwindow function yourthemegmapfieldmarkerwindow location null node null return some new output  