Custom GMap Solution for Dynamically Updated Markers (Part 1) (Drupal 6)
I recently upgraded OffRoadAtlas.com with a custom map interface based on the GMap module. I was able to do this while leaving the GMap module is virtually un-hacked (with the exception of modifying the "GMAP_API_VERSION" variable) - all of the customizations were made via an additional "helper" module that was written specifically for this site. The site utilizes a map on the home page that shows all the off-roading areas and clubs in the database. The problem I was trying to solve was that I didn't want to have to load all 1,500+ points each time the home page was