Below are links to resources on the web and in print which can assist non-profits in writing annual reports.
This website provides a great explanation of the four key components to a non-profit organization's annual report.
Creative Examples from the Betty Brinn Children's Museum
The Betty Brinn Children's Museum creates an annual report whose style, font choice, and graphics match the role and mission of the museum in the Milwaukee community.
Much information is available about annual reports for for-profit entities. This is a welcome change. You can see the Table of Contents and read an excerpt online in PDF format.
Good discussion of what's important from an NPO perspective