Here are the links to some videos on marriage by R.C. Sprouls from his series, The Intimate Marriage
http://www.ligonier.org/rym/broadcasts/video/what-christian-marriage1/
http://www.ligonier.org/rym/broadcasts/video/knowing-each-other1/
http://www.ligonier.org/rym/broadcasts/video/role-man-and-woman1/
http://www.ligonier.org/rym/broadcasts/video/what-christian-marriage1/
http://www.ligonier.org/rym/broadcasts/video/knowing-each-other1/
http://www.ligonier.org/rym/broadcasts/video/role-man-and-woman1/