Make a copy of templates and work off that copy
1. Setup your template
Image Carousel kml Template: https://drive.google.com/open?id=1xYIYcTp7nBvKyCt5Rn3x55cN8M8Pr_Sj
2. Add location data
3. Add textual information
4. Add image information
5. Copy/Paste appropriate placemark snippets
6. Repeat from Step 2
7. Add bibliography placemark
Bibliography kml Template: https://drive.google.com/open?id=1pgGg4t3S0WhVUue10tfWby1Vv4z-DUFe