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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Flickr is a wonderful place to share your photos, and you can do it while you are away if you have access to a computer and the Internet. Before you upload photos to Flickr, copy them to a folder on your Mac system where you keep images prepared specifically for Flickr. Any folder you add to the Flickr Uploadr (for Mac) is monitored for images that aren't already in your Flickr account. Any unique photos already in the folder or any new ones you add are automatically uploaded to Flickr. You can add as many folders as you like!