Here is an interesting video on how editing can change a movie.

It is all on the first starwars movie, the first cut of which was much worse than the final product, and was saved by editing. This is a very useful 20 min video explaining pacing, audience engagement and storytelling in general.

While Starwars is still fresh, you might be interested in this.

What happens when a fan of 80s extreme action movies is allowed to make one of his own?

Kung Fury is what happens. Get ready for an over-the-top homage to the 80s. Much better than recent commercial movies.

Here is a short video demonstrating some basics of composition, when applied well.

Here is a nice 9 min video illustrating why holywood action is boring. And why Jackie Chan does it better. Well made and to the point. And some great footage doesn't harm.

Here is a video of someone skillfully using a paintbrush to make round calligraphy. One of the things that I would occasionally use if I had picked up in school... I found it quite difficult to turn my eyes away.