If I understand you correctly, the scenario you referred to is something like a family reunion where relatives have not seen each other for years. So this person is putting the pictures up on a large corkboard or something with notations which may be something like: Jane and me at Disneyland summer, 2008 , or vacationing Dec, 2006 -at [the] white House . In this context, with or without [The], is not a big deal.
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