I just took a look at the new documentary, and it's very good! I quite enjoyed it. I just have one suggestion:
When you mention recompositing in your "interview", you only show the early 90s Czech VHS. Instead, why not show an example of recompositing in the film to better demonstrate your point? I can't offer a good example other than lightsabers that would be readily apparent to the average viewer, but I'm sure you can come up with one.