Adding Pinterest Pin It button (with counter) to Blogger post

In case you are unfamiliar, Pinterest is an online pinboard that allows users to share images they find over the web -by “pinning” them on their boards.  The pinned image is linked to the original webpage or blog post location, giving users the chance to visit the source  directly. A Pin It button is what Like button is to Facebook or Tweet button is to Twitter, as it allows users to share your