1. Install Bookmarklet of Pinterest.
2. Complete Your Profile Fully.
3. Add your Facebook, Twitter Account.
4. Show Your activity on Facebook by Keeping it on.
5. Tag friends in Posts.
6. Comment more.
7. Use keyword in Hashtag(#)
8. Give a nice description on your pin.
9. Add link on Link section of pin. You will get it by going Edit pin.
10. You can Use PinEye extension for Chrome and TinEye for Firefox
11. Create content rich Boards.
12. Add Pins from your blog and other blog in same pinboard.
13. Add taller images. Tall images gets more repin.
14. Be creative in making pinboards.
Please Add more....