easypin is a simple and fast jQuery image pinning plugin. There are dependencies with the library jQuery easing plugin.
jQuery Pin is a jQuery plugin for creating sticky elements. You can pin something to the side of a text and subtle sticky element to quietly hang around as you scroll down.
Also you can easily disable this for smaller screen-sizes where there's no room for that kind of shenanigans.
jQuery Pinterest Pin It Plugin looks for all images, and wrap it inside a container that come with a pinterest Pin it button. So, your visitor just have to hover above the image they want, and pin it straight away. It's a simple plugin.