Know What's Best for Your Blog
Should you blog once a week or everyday? Should you join every blogfest or none at all? Should you talk about writing tips or post short stories? These are questions only you can answer for yourself.
You know what you can handle. You've seen what people like best on your blog. Go with your gut. All you need to do to make your blog unique is harness your own uniqueness in the way only you can.
Now go out there and listen to that voice that tells you what's right.