Thanks, Kirk! I'm making progress. I've settled on the Event field for "Zenfolio-ready" and later tags for when I've actually posted the images to Zenfolio, etc. Now, I'm trying to create a filter for star rating, event field empty, and Description/Caption not empty. The first two are easy, but I'm not seeing Description/Caption anywhere in the filter fields, either in the first fields that come up (Folder Path, File Type, Color Class...) or any of the IPTC fields or subfields. Am I missing something? Or is it called something else? Can't imagine you couldn't filter for whether or not Description/Caption is empty.