It sounds like an ordinary Google web search was done, which lead to an online photo album hosted by picture sharing site Smugmug. Via John Battelle, news of an AP reporter locating new photos through Google of possible abuse of Iraqi prisoners...
Look at the bottom of the gallery's home page, and you'll see this: help smugmug win a fun online contest: nigritude ultramarine. Rather, smugmug's added it to the bottom of all their customers' pages.
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