Over the years with Flashkit sharing community the sites just kept getting better...
Check out the museum and see if your favorite is there, https://www.webdesignmuseum.org/flash-websites


There are a few in the museum I remember well and a many that are not there because they were experimental projects by Flashkit members, there was one here titled: "In the Mix" it was really good, and there was another with the URL: Badcop.de