I was doing a little looking around this morning and found some images from the Raids at Martin's in the past. There always seem to be tons of indians in attendance at the event. The above image would appear to be a group of indians preparing to burn one of the outlying structures at Martin's Station.
In my search I also found several images of what I believe to be the 'Indian Camp'. In the image below, you can clearly see one of their dwellings in the background.