Zilla is a free photo/video backup assistant that helps you to keep your memories backed up to your Flickr account.
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When you are logged into the site, you can designate your Flickr contacts as friends and family by going to the People menu at the top of the page and choosing List. You can also send "Guest Passes"Â to people who do not have their own Flickr accounts but would still like to see your posted photos.
Want to share some private photos with your close contacts? Marking someone you follow as a "friend" or as "family" lets you easily share with just that group of people, instead of everyone.