Blogging is as much about bold ideas as it is about creative expressions, Work on your language and dive into ideas fearlessly.
Post Ideas: At times you will just run out of ideas for post not sure what to do. use google and apps like Evernote to note down all that ticks in your mind. Something will surely turn into a new post.
Include data in blog posts. It makes the post more interesting and informative to read. It makes people stay longer on your pages and even share your content.