First of all, thanks for the great job!
Like a lot of the previous statements, I think, easy useable sizeability (fantastic coined word ) is crucial for good user experience.
I have also seen some points about playlist functionality/usability. As it is probably pretty hard to catch playlists from platforms like youtube, why you simply don’t create your own one? I know it is easier said as done
What I have in my mind is you could put a little heart (or whatever) into Min Vid gui...
...which allows to save the stream URL directly in a special folder within the firefox bookmarks. And you give the option to start Min Vid from this special folder...
Et voilà you might have even a cross-platform playlist.
I just do a bit of brainstorm In fact I am already pretty happy with Min Vid as it is
Have a nice day guys!