It can out-of-the-box for single attribute product. It is also compatible with attribute image swap (
https://www.zen-cart.com/downloads.php?do=file&id=699). "Issue" is that with multiple attributes that each change the look, "knowing" what image to display. ie. if there are two option names, one has 2 option values, and one has 3, then when selecting the first one (2 different images) then it has to have 3 additional images for each of the first to give a total of 8 images (or a way to overlay just three images over the original 2 and only need 5 additional images beyond the base image.)
It is something to incorporate in the future, but has not been a priority yet.
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