If you have a model release for the photo of the ruin, you could probably be safe in having it published (you need to make sure all uses are covered in the release)and entering it in the contest. In the US, if you take a picture of a building (because it belongs to someone) you need a model release to be able to use it commercially or non-commercially. Also don't go by the definition of 'commercial use' here at Rosity because their definition is somewhat skewed as far as I'm concerned. Commerce is very straight forward, it's the exchange of goods or services(whether for cash or anything else), they put an entirely different spin on it.

Bryce Forum Coordinator....

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