There have been some great articles recently about nonprofit blogs. I am excited that people are still interested in this topic.
Sixteen nonprofit blog post ideas (Nonprofit MarCommunity)
31 Nonprofit Blog Post Ideas (Wired Impact)
21 Ideas For Your Nonprofit Blog (Bloomerang)
6 Offline Sources of Blog Ideas for Nonprofits (Business 2 Community)
6 Essential Components of Top Notch Nonprofit Blogs (Hubspot)