Adding video to your WooCommerce products using WooThumbs
This guide is for WooThumbs 4.6.5 and below. In 4.6.6, you can now add media to any thumbnail in your gallery and have it play inline.
Adding a video to your product gallery is as simple as inserting a link to your video. When you have WooThumbs installed, you will notice a new tab in the Product data section of your product edit page, WooThumbs:
Within this tab you will see the Video URL field. Simple enter the full URL to your video (you can use any embeddable service like YouTube, Vimeo, etc), for example:
Once you've saved your product, check it out on the frontend. You will now see a video icon over your product imagery:
Clicking the icon will open your video in the product gallery: