[Zope] Preventing image caching

[Warnes, Gregory R]

My Zope application dynamically creates and modifies image files based on
form input.  I need a way to prevent these images from being improperly
cached by the user's browser.  
What I would like is to force all images within a certain directory tree to
return the appropriate header magic to prevent browsers from caching.  Is
there a clean way to do this?

-Greg





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