Here are a few resources I’ve found helpful studying and preaching from Leviticus — 13 Jan 2012.
Field, David, ‘Leviticus Reading’, [blog], 10 Oct 2007. <http://davidpfield.blogspot.com/2007/10/leviticus-reading.html>: The audio by James B. Jordan and Peter Leithart are available from Wordmp3.com for download at a charge. (On a personal note, I was glad to see Wenham rated highly. Having studied under him, I can heartily endorse that opinion.)
—— ‘Orientation to Leviticus’, [blog], 10 Oct 2007. <http://davidpfield.blogspot.com/2007/10/orientation-to-leviticus.html>.
Reinke, Tony, ‘Preaching Leviticus’, Plant & Build [blog], 16 Dec 2011. <http://sovereigngraceministries.org/blogs/sgm/post/Preaching-Leviticus-Interview.aspx>: interview with Jared Mellinger, senior pastor of Covenant Fellowship Church, includes links to audio of series on sermons on Leviticus.