Research: Use blogs that publishes content that is based on research ans is relevant to what your topic is.
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.
Optimize images by mentioning the ALT Text and a short description of the image in your blog post to rank better in Google.