Rick - For instructional and background information, Mike Seeger's Homespun Video "Old Time Banjo Styles" covers a wide variety, including sveral guests (Doc Watson, Etta Baker, Odell Thompson, Kirk Sutphen) and even gives examples of gourd banjos and fretless banjos.)

If Bela is too extreme I would suggest Alison Brown. Also Mark Johnson's "Clawgrass" CD is a fine example of adapting one style of playing (clawhammer) into another style of music (bluegrass).

BTW - there was a similar thread only a week or two ago. It was filled with lots of great ideas.