I've only attended the Fish-Ins in the Catskills. First the 'Fish-In' and then the 'Spring Fling'. Great times at each one. You can look into the archives and see many photos taken at these events. One of my favorite photos was taken on the West Branch Del. back at the 2001 Fish In. The woman was not an official attendee but I just took the photo and liked the impression:

Waiting for fog to lift:

afterfog1.jpg