Audio Copy - Making an audio copy of a blog post is a great way to market your content. You can use it to share on a podcast feed. It is easy, fun and mobile.
Series of articles - Create a series of articles on your blog if the subject you choose to talk about is an extensive one.
Content is the king - In the blogging world so diverse and big, you need to establish yourself with a distinction. the only road to it is good, original and valuable content. Be creative, different and surprise your readers once in a while.