It’s easy to be overwhelmed by a growing collection of unorganized digital photos. And, as camera resolutions improve, file sizes get bigger, and even emailing pictures to friends and family becomes nearly impossible. Each of today’s picks take a slightly different approach to sharing and managing digital photos, but all of them are free.
Surfnetkids » Resources » Computers, Internet » Internet » Photo Sharing
Almost everyone of your recommendations ban users under 13 to be COPPA compliant. I wouldn’t recommend these for kids to use for photosharing. They would be violating ToS.