Here is the URL for Mark's blog (see comments under Working Together blog) regarding how to link your own blog to Facebook/Twitter:
If you can follow directions, better than I can sometimes, you shouldn't have too much trouble. I suggest though that if you have any problems, Mark would be the better person to ask. If you follow his blog, you might learn some very interesting things. I know I have. Thanks again Mark for sharing your words of wisdom with the rest of us.