Your newsletter is a vital tool for communication with your support team. Check out these resources relating to newsletters:

The 10 Commandments of Newsletter Writing
By Curt Harlow

Chalkline.org: With this service you can complete your newsletter in just 15 minutes. It is an incredible service that will save you time, energy and for what you receive it is not that expensive. Many Chi alpha and other Assemblies of God missionaries are raving about it. Check it out!