As an inevitable part of blogging is the need for building discussion around your site. What that means is that you have to go out and build the conversations with other people. You do this obviously through commenting on other peoples blogs.
This is probably the most time consuming part of building your on line presence. We put aside hours each week to do the comment building for our blogs and we do it regularly. Do get you started we have our own do follow list that we keep track of who posts regularly and are good conversation sites. You can find that list here. You can find information on why Do Follow Lists are important here.
Here is our post on building your conversation online. You can read it here.
Matt Keegan has a good post on how to comment correctly and you can read that here.