Add 'Pin It' buttons to images when hovered - Wordpress plugins

Some options: is a free plugin with good reviews, you can control which images can be pinned, and you can use custom images for buttons. See a tutorial about it here:

Update: the developer has created a new plugin with more functionality, also adds sharing to Twitter and Facebook, it’s called Frizzly - is free but some users report problems with formatting. is a premium plugin with various options, including the hover function. They also sell Product Rich Pins for Woocommerce. is a premium plugin - hover is the main function. is a small, free plugin that adds a Pin It button to all images, some users report issues.