Two Beefheart docs:
http://www.youtube.com/watch?v=dBa8b...eature=related (with John Peel)
http://www.youtube.com/watch?v=cVWeRninKnA (the superior "Under Review" documentary in which many of the old band members are interviewed, though it contains a few unbearable verbose critics trying to contextualize Don's music in the lamest terms possible)
US Maple documentary for the Acre Thrills album:
http://www.youtube.com/watch?v=loni6SVagbw
Screamin' Jay Hawkins - I Put A Spell On Me doc:
http://www.youtube.com/watch?v=qecYcFZR6Mk
Although it's not fully distributed yet, here is the trailer for the recently completed film about Rowland S. Howard, Autoluminiscent:
http://www.youtube.com/watch?v=BpP9iWupUo0