My apologies. I was already pretty tired when I wrote that reply and misread what you were trying to do.
Since this is about flash, the 'Programming' sub-forum is probably your best shot: https://www.newgrounds.com/bbs/forum/7
If nobody replies until January, I'd give 'Animation' a try as well, but I don't know how many animator still rely on that piece of s... software: https://www.newgrounds.com/bbs/forum/17
From what I know Clock Crew and Lock Legion were the most competent groups when it came to flash animation. They both have their independent forums but I don't have the URLs at hand.
Yatsufusa
Are you perhaps looking for 'this'?:
https://www.newgrounds.com/wiki/creator-resources/animation-resources/swivel-flash-to-video
HunterComics
No that's for converting swf files into MP4's I need a way to import svl files into a flash animation and have it work since it requires flashplayer to work which is now discontinued.