Looking over your previous comments and about.me profile, you've already got the fundamentals down. The only thing left is to apply them like Mike Tyson does:
http://www.youtube.com/watch?v=qXL5dRYpM7E
Take a page out of Tyson's book and check your head to make sure you're having fun. On any given day, you have a slew of things you can write about; you'll never get them out though when your fingers are bleeding and your brain has been beaten stupid by your own thoughts.
Good luck. Post your writing-for-fun-dammit blog URL so we can shoot it down^H^H^H^H^H^H^Hyou our comments. ;)