Great news - daddystovepipe has at last produced an instructional DVD, entitled 'Delta Blues Slide Guitar'.
He gives detailed instruction for Walkin' Blues, Joe Turner Killed a Man, and Someday Baby Blues. Full tablature and lyrics are provided.
This is superb work by a great guitarist.
The DVD is available on http://youtuberecords.com/dsp02.php
daddystovepipe's Youtube Channel:
http://youtube.com/user/daddystovepipe