CMS Request: Importing Content from a Collection into a Wix Stores Collection

Collecting votes
Currently, it is not possible to import content from your collections into a Wix Stores collection. For example, you cannot use pictures that site visitors upload to a collection as product images in a Wix Stores collection. 
Learn more about managing your collections and working with Wix App collections.
We are always working to update and improve our products, and your feedback is greatly appreciated.