I have just put together a membership site which has weekly eclasses on how to drive traffic to your website. Each eclass contains a separate strategy. Eclasses cover SEO, PPC, Blogs, Podcasts, Articles, Free Publicity and many other traffic driving techniques.
You can drive more traffic to your blog by PPC, text link ads, forum posting with signature, exchange link, tag and ping, leave comments. All this help to improve your page rank as well.