This is not an ideal option either but one of the fields you can add to your columns is called Tags. Now if you right-click on your photos and choose properties ... details tab, you can put in any tag you want so if you put in P1000, P1010, P1100, P4000, etc you could then sort by that field.
There are Tag editors out there including freeware options that may facilitate editing this field in-mass, ie a folder or more at a time. But I have never seen nor needed such a thing for photos; the tags tend to be used most commonly by sound files, example mp3 and I have and use one for this purpose, but you would need to search to see if one exists to suit your specific need.
Last edited by TrainableMan; 09-11-2010 at 04:33 AM..
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