I don't see a link to if from the main page, but you can find it at http://picturetheimpossible.com/rocdeals/ Several of the ads didn't show up just from the search, so you may need to manually look at the different categories to find the ad you're looking for.
Picture the Impossible is a community-based game developed jointly by the Lab for Social Computing at the Rochester Institute of Technology, and the Rochester Democrat and Chronicle. It is intended to engage members of the community in exploration of the City of Rochester, and to encourage both creativity and charitable giving in the community. The game includes a range of activities, including casual web-based games, games that bring players out to events and locations throughout the community, and games that involve the tangible aspects of the Democrat & Chronicle newspaper itself. The game begins on September 12th and ends on October 31st of 2009. More...
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I didn't have a problem just finding the ads from the search. Probably depends on the keywords you pick?