There's a story at the Houston Press site about the unveiling of the historical marker for Lightnin' Hopkins.
http://blogs.houstonpress.com/rocks/2010/11/lightnin_hopkins_dedication_dr.php
Photo slideshow: http://www.houstonpress.com/slideshow/lightnin-hopkins-historical-marker-dedication-31848214/18/
http://blogs.houstonpress.com/rocks/2010/11/lightnin_hopkins_dedication_dr.php
Photo slideshow: http://www.houstonpress.com/slideshow/lightnin-hopkins-historical-marker-dedication-31848214/18/