jQuery Pin It Button For Images is the easiest way of showing up a Pin It button over the images on mouse hover in WordPress. All you need to do is install and activate the plugin and it automatically displays a Pin-It button when anyone hovers the mouse pointer over images present in your blog posts and pages etc.
Social Toolbar is a beautiful and highly customizable toolbar plugin that provides you with color selection, social network icons, recent tweet and share buttons in your website footer.
Learn adding Pinterest Pin It button, Pins and also a Tweet button on your Facebook page so that your fans can pin and tweet your images easily from your Facebook Page’s Timeline.
After Facebook share, Tweet and +1 Pinterst has also become very important for sharing because it drives much traffic to your website. There are many Pinterest plugins and hacks are available but only a very few of them works good. For example- PinIt button of famous social sharing bar of JetPack by WordPress.COM is good for not nothing because whenever someone clicks it, it automatically grabs an image for pinning but sometimes we have more than 1 image and in that case we can do noting other than pinning our images manually. But never mind here are few cool Pinterest plugins, check them all and feel free to post your suggestion.