Adding Images to the Thumbnail Gallery
To add a new image to the gallery, follow the same process as to upload the main product image. For best results, gallery image files should be the same size and proportion as the main product image.
Excluding Images from the GalleryYou can also exclude any image from the thumbnail gallery. In the following example, the main product image shows all three colors, but is excluded from the thumbnail gallery.
To exclude an image from the gallery:
Select the Exclude checkbox.
Excluding an Image from the Thumbnail Gallery