WooCommerce Color and Swatches for Variations will help you with selecting variations which will beautify and manage your estore. There you can apply product images with your woocommerce products intact which will give a the perfect picture of your swatch image.
Demo https://codecanyon.net/item/woocommerce-colors-and-swatches-for-variations/21088754
Downloadhttps://www.filecad.com/eclS/WooCommerce-Colors-and-Swatches-for-Variations-v1.0.2.rar