Lynn Miller is a Mennonite who used to work for MMA. He has written and spoken on topics of wealth and faith. I absolutely loved his recent sermon at Blooming Glen Mennonite Church.
You have got to check it out.
It will be especially of interest if you've ever wondered how following Jesus and using this world's resources relate to each other.
click on the sermon titled:
Luke 16:1-15 - “No one is poorer than anyone who does not know what ‘enough’ is, and no one is richer than those who are content because they do.”