Amazing Grace (Samuel Goldwyn Films, 2006)
As We Forgive (Hinson, 2008)
Beyond Belief (Principle Pictures, 2006)
The Blind Side (Alcon Entertainment, 2009)
Blood Diamond (Warner Brothers, 2006)
Born Into Brothels (Sundance, Briski/Kauffmann, 2004)
Catch a Fire (Focus Features, 2006)
City of God (Miramax, 2002)
A Closer Walk (HBO Films, 2004)
The Constant Gardener (Focus Features, 2005)
Cry Freetown (CNN International, 2000)
The Day My God Died (Andrew Levine Productions, 2003)
Hotel Rwanda (MGM/United Artists, 2004)
Invisible Children (Invisible Children, Inc., 2003)
The Killing Fields (Warner Brothers, 1984)
Lost Boys of Sudan (Actual Films/Principle Pictures, 2004)
The Kite Runner (Dreamworks, 2007)
Precious: Based on the Novel ‘Push’ by Sapphire (Lee Daniels Entertainment, 2009)
Slumdog Millionaire (Fox Searchlight Pictures/Warner Brothers, 2008)
Sometimes In April (HBO Films, 2005)
Yesterday (HBO Films, 2004)

Suggestion to add:
“God Grew Tired of Us”
“Apocalypse Africa”
“The Devil Came on Horseback”
I agree with the “war dance” suggestion. Two more to consider are “A walk to beautiful” and “9 star hotel”.
suggested movie”War Dance”[Gulu,Uganda and the Lord's Resistance Army]High Quality Documentary
suggested movie to add to the list: Beat the Drum