I am a Pinterest user myself, and this article showed the reasoning behind certain posts and why these techniques can drive traffic to blogs.
Tip #1. Share a Lot of Content
Tip #2. Create Taller Images
Tip #3. Add Images to Every Post
Tip #4. Add Default Images to the Entire Blog
This host website, socialmediaexaminer.com, has done research on the effect of social media websites to produce certain outcomes, in this article they illustrate their research using Pinterest and how to effectively drive traffic by using certain posting techniques.
http://www.socialmediaexaminer.com/pinterest-traffic-to-your-blog/#more-24707