CMS Link for multi-image field image not appearing in designer

I have a grid of images pulling from a multi-image field in a CMS project and want to link the grid images to an instagram link that is also a field in that CMS project.

The images are within a link block, however when I go to select the source of the link there are no options available because the CMS Collection is the multi-image field, not the overall CMS Collection itself. I’m not sure how to link these grid images to the url.

Here is my site Read-Only:
Webflow - Dima's Website

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