Originally the layout was:
This layout was inconsistent with the way SmugMug normally handles files. Default SmugMug behavior is to leave filenames unchanged. This contrasts with other photo sites, (you know who you are), that rename your sacred files to suit their indexing schemes. A few days ago SmugMug corrected this discrepancy and downloaded SmugShot images reverted to their original format:
This fix broke smugshotexif: see: my previous post. I have modified SmugShotFix.ijs to handle the current format and the older one. I will keep tweaking this hack until SmugShot’s sloppy EXIF handling is corrected.