Just write. Then write some more. I give people “web advice” all the time. Most of it comes down to that: just write. Maybe I should modify that to include rich media content: just create. Being successful on the web ultimately comes down to that. Give people something.
Don’t stress about “I have nothing to say!” or “when will I find the time?” This post took me 9 minutes, start to finish. And I hardly said anything. You can do it. Just write.
(Image taken from Preston Porter. Apparently he feels similarly.)