Now that the Wikimedia Commons is being widely used as a central image archive - if you haven't already, check out http://commons.wikimedia.org/ - we are facing the question again whether we want to store image galleries in Wikipedia. There currently are a few, e.g.:
http://en.wikipedia.org/wiki/Gallery_of_Fayum_mummy_portraits
My proposal would be that such galleries should reside on the Commons, unless they include substantial encyclopedic information for individual images. Substantial information would be at least a paragraph of text describing the image's content. If there is no such information, the relevant article should include a link to the Commons gallery and a couple of striking example images.
An interesting side effect of such a policy would be that fair use images could only be used in an encyclopedic context, as they are not allowed on the Commons.
Any other thoughts?
Regards,
Erik