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Is there a way to choose a specific image in "more images" CMS product template to show as the default image WITHOUT setting it as the "main variant" image?

I’m working on an ecommerce site, and on the Shop page, I’d like to show the “main variant image,” but after clicking, and heading to the product template page for that product, I’d like the default image to be a different image, but all need to be in the same lightbox gallery, so the variant images in the “more images” field show up properly.

I thought about creating a separate field for this one off image, but this won’t work because it won’t be a part of the “variant images” lightbox gallery when different options are being selected by a user.

Any help is appreciated thanks!!

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