your friends for ideas
your audience for ideas
someone for guest post
about your own experience
about a new movie or something (write a review)
about something usual, but that needs an explanation (study)
about something old or vintage
new movies (books, music, theater, etc)
or just all trends
explore new and add new categories on your website
And remember: the most precious words always come from your heart and readers will definitely feel it and appreciate it.
Articles that readers REALLY read:
P.S. "Instant Tips" is a new MGID's Blog category. We will post simple but very useful advice here. It's an attempt to make articles shorter and 100% informative. If you still have any questions or need more details - request in comments.