Best area practices for visual content profits but NOTE THIS!
37+ Tips and Tools for Picture-Perfect Visual Content
has 37+ tips on that and they're all pretty nifty BUT.....
Take a look where the vast majority of those 37 links go.
NOT outbound... they refer to quality articles WITHIN the site.
Now that is *superb* blogging..... you intrigue the reader with the headline and you keep them reading by linking inwards to your relevant nicher content.
It's something to consider!
And btw, I love #6:
Use your fan's content
I do that often in my Moose group on FB.
Enjoy!