Nice little resources with different setups... found this on a google search for "tenebrism", "chiaroscuro", "short lighting" and "loop lighting" ... exciting night
http://www.mac-on-campus.com/LearningCenter/ArticlesandBookExcerpts/15755.aspx
http://www.mac-on-campus.com/LearningCenter/ArticlesandBookExcerpts/15755.aspx