Attribution for images in "crocusheader" right to left
http://www.flickr.com/photos/28481088@N00/
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CC BY-NC 2.0
http://www.flickr.com/photos/photowehrli/
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CC BY-NC-SA 2.0
http://www.flickr.com/photos/25236420@N03/
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CC BY-ND 2.0
http://www.flickr.com/photos/jnthnhys/
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CC BY-NC 2.0