Delicious or as the Germans say, “Total lecker”. This is the best way to organize photos into groups and edit them! From Flickr: Using the Organizr:

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We're pleased to introduce Organizr, the latest addition to the Flickr toolbox, to help you more easily store, sort, search and share your photos. Organizr is a powerful tool that enables you to quickly find and edit your photos, create sets and add your photos to group pools. Oh yeah - Organizr runs right in your browser. There's nothing to install.

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