It is probably a little past peak fall colors in most places, but here is an autumn watercolor demo excerpt from one of my workshops.
It is available as a download course (with downloadable/printable reference materials) here: http://spetz.teachable.com/courses/autumnaspens

You can watch it full screen and increase its resolution to 1080p HD (the two icons in the videos lower right hand corner).






Here is a fun pouring technique that I did of a Glacier National Park watercolor painting during a workshop. It is available as a download course (with downloadable/printable reference materials) here: 
A Montana lake, a boat & fishing rod, a GoPro camera, a little editing knowledge, and apparently too much free time.