Not sure how many of us use Simpleviewer for our website photo galleries, but if you receive a complaint that it won’t load in Firefox even after Flash is reinstalled, here’s the fix:
SimpleViewer does not work with Flash 8. Why not?
The Flash detection script for SimpleViewer was updated to be compatible with Flash 8 as of 24 July 2005. To update Flash detection for earlier versions of SimpleViewer, download the newer version of flash_detect.js, and replace the version that you are currently using.
It’s listed as #17 in the FAQ at http://www.airtightinteractive.com/simpleviewer/faq.html