Thanks for writing in!
We suggest you to create new blog posts using Cornerstone as it has bunch of tools that can be used to make post interactive. However please note that you can't edit existing blog posts created with default WordPress editor in Cornerstone. You will have to recreate existing posts using Cornerstone.
You refer our knowledge base article to get started:
Please we suggest you not to bump threads by adding to it until you hear back from one of our staff.
Since we answer questions from oldest to newest and bumping a thread makes it appear as brand new, this will only serve to lengthen our response time.