All right, this video includes some adventures along the Clark fork of the Yellowstone and also a Reef Creek Trail excursion with a little sprinkle of river pictures where we camped.
Links:
http://www.greater-yellowstone.com/Yellowstone-Park/Clarks-Fork-River.html
https://naturalatlas.com/trails/reef-creek-2158000
https://www.fs.usda.gov/recarea/shoshone/recarea/?recid=35905
https://www.trailforks.com/trails/clarks-fork-trail/
https://www.trailforks.com/trails/reef-cr-trail/