Removes WooCommerce Image Functionality!
Since WooCommerce v2.7 landed, this plugin needs to remove WooCommerce Gallery Slider functionality to work.
Download
This plugin is available from WordPress.org, download – WooCommerce Image Hover.
Overview
WooCommerce Image Hover is a plugin that is obviously designed to work with WooCommerce. It gives your single product pages a new feature, when you hover over a product thumbnail it will show the thumbnail image as the main image, when you stop hovering over the thumbnail the original image comes back.
Screenshots

Mouse not hovering….. but its lurking near a thumbnail!

BOOM! Mouse pointer is hovering and the image has changed.

Magic, the mouse is lurking and the original image is back.
Want to code this up yourself? No problem, I wrote a quick how to a while ago called – Product Thumbnail Mouseover Main Image.