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I dont know of one that can do that, but its a good idea, if it doesnt already exist.
I havent used all the gallery modules, but my guess is this hasnt been done yet.
I could be wrong. maybe one of the gallery modules can actually handle remote images.
You should test some of the gallery modules out for this specific functionality.
https://xoops.org/modules/repository/viewcat.php?cid=36
Good luck to ya!
Best regards,
Daniel Hall / XOOPS Module Development & Theme Design
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