Clark Ashton Smith: The Emperor of Dreams
Starring Harlan Ellison, S.T. Joshi, Richard Stanley, Charles Schneider, Wilum Hopfrog Pugmire, Clark Ashton Smith, Kyle Opperman, Leeman Kessler, Scott Connors
It's a documentary and horror movie, and has a rating of 7.9 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Brazil.