Setting Thumbnails Hover Effects for your Product Gallery is super easy with the WooGallery plugin. Follow the steps below:

(1) From your WordPress Dashboard Menu, navigate to WooGallery > General. 

(2) Under the General settings tab, you will find the Thumbnails Hover Effect option. From the dropdown, select any of the Hover Effects you want. Available options are:

• Normal
• Zoom In 
• Zoom Out
• Slide Up
• Slide Down

(3) Click on Save Settings and refresh the product gallery to see the changes.