Christ Centered Marriage

I have found this ministry helpful. They have short audio messages (on the right side of the page) where they apply godly wisdom to everyday situations.
http://joleneengle.com/

Here are some good video teachings on marriage by Zac Poonen:

(A Marriage Blessed By God) 1. Build Your Home With Wisdom by Zac Poonen
https://www.youtube.com/watch?v=oJz2Vn9H5lo

A Marriage Blessed By God - 2.Principles To Build A Godly Home-1 by Zac Poonen
https://www.youtube.com/watch?v=6TspSdgPDd0

A Very Good Marriage by Zac Poonen
https://www.youtube.com/watch?v=VtdBZ2FLby8

Godly Marriages - 1.Godly Husbands, Wives And Parents by Zac Poonen
https://www.youtube.com/watch?v=t3vI2PRup5Q

Godly Marriages - 2.Following Godly Principles In Marriage by Zac Poonen
https://www.youtube.com/watch?v=FduGbM99RmA