Hi @Tgibs2 ,
Apart from Matt Fryer's channel ( TipTut on YT ) of which you already know, another great channel is that of Chris Georgenes, @_keyframer .
Chris is a very experienced animator, Flash evangelist, and the author of several very highly-regarded books about Flash animation. You will find many great tutorials there:
https://www.youtube.com/@keyframer./videos
Sergio Rodriguez's channel ( @sergiopop75 ) also has videos showing unique advanced Flash animation techniques:
https://www.youtube.com/@sergiopop/videos
Sergio is a professor of animation in Spain.
My series on Professional Character Rigging provides general knowledge and does not requite EDAP Tools.
There is another fundamental video of mine: Understanding Symbol Registration.
I'm sure that you are aware of our two YT channels, so I won't post the links here.
Apart from the above, most content on YouTube is mediocre regurgitation of a few basic methods, often propagating bad practices and various misconceptions. These are produced by a huge army of amateurs and can be quite harmful in the sense that once bad practices become a habit, it is difficult to unlearn them.