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After updating to latest version I also experienced broken links to Amazon S3. This was reported as a buck and the described hack helped restoring the gallery.
Now I am wondering if you could provide me with a fix for the photo module, too? Also the default picture in the gallery overview is not getting displayed.
I see you only have issue on this module "KAYAK TOUR PICTURES" that is old photo album from Jomsocial.... Or you override that module. I suggest you update the module or dont use override as well.