Oxfam maintains the tradition of European NGO’s using witty online video to build support for their campaigns, this one highly interactive and about economic class: Bit Unfair.
My co-worker at Net Squared Britt Bravo has posted an excellent list of 10 Ways Nonprofits Can Use Blogs. Check it out.
Possibly even cooler than that is Britt’s 7 Ways Nonprofits can use Podcasts.