back when computers were hard, tips like this were gold. but these days,
for for a well trod/documented thing like ffmpeg,
asking ChatGPT to make the ffmpeg command you want works really well, eg "give me ffmpeg to make a video from a series of jpegs" and iterate from there.
Please don't let this line of thinking put you (the reader) off sharing tips. Here we now have a thread containing other information we may not have thought to ask anyone/thing about, discussion, history, etc.
teach to fish vs giving of fish, I suppose. I did not mean to discourage or stifle discussion, but point out that there's a tool that makes it much easier to get the right incantation of ffmpeg.