Really basic SEO 101 theory and how-to application.
Eg., get links, and here are good ways to do it; watch google referrals, and here are the tools and stats to pay attention to.
Format -- hands-on to fit the "workshop" format. Aimed towards pretty novice bloggers, who would have their laptops and blogs available in the workshop, and we would actually walk them through doing basic things like downloading plugins, suggesting specific design tweaks, finding specific link partners, etc.