OK -- I tracked down the problem ... It was an incorrect library in the MacOS installer. Not sure why the Windows installer got the correct one but the Mac OS 9 didn't. Oh well. If you want just a short download, you can go to http://www.jempeg.org and download the "standalone jar" and replace the jemplode20.jar in your install directory. If you want to just reinstall fresh, I've replaced the Mac OS 9 installers on jempeg.org and sourceforge. I've actually tested this one on my OS 9 box, so I know it works

Mike