Learn how to create custom Google Map markers with images in this 21-minute tutorial. Explore the process of customizing map markers, including working with ClusterItems, implementing dependency injection, overriding methods, and managing fragments. Discover techniques for looping through avatars, creating clusters, and adding markers to the map. Follow along with the provided source code and expand your Google Maps development skills. Access additional resources through the Google Maps and Directions playlist for a comprehensive understanding of map customization.