You may want to check out Blogineering.com, a new blog by my colleague Guillermo Bautista (author of Mathematics and Multimedia) and Riley Ayes. Blogineering is a site teaching the basics of blogging, tips in growing and promoting a blog, search engine optimization, and step by step tutorials on using different platforms. The authors have already completed the WordPress.com Blogging Tutorial Series. The plan to develop other blogging platforms such as Blogger, Tumblr, Typepad, and others.