Many forums running vBulletin (even NetBuilders) offer free blogs to registered members where you can make posts for the community to read. Unfortunately, it seems that many people have yet to see the potential that exists in such a feature, leaving it abandoned and unused, when it could instead be giving you a ton of exposure and SEO benefits...
Fortunately, I wrote an entire blog post and illustrated it with step-by-step images to help you understand how you can start taking advantage of forum blogs! Please feel free to go ahead and check it out, then let me hear your thoughts:
Backlinks with vBulletin Blogs