I just put up a new test build of PictoDS for Mac OS. It uses the latest version of SWT (3.3), and includes a minor change that increased the conversion performance on my Intel iMac. Try it out and let me know if it works for you.
I'm running the above version of PictoDs on a G4 PPC in OSX v. 10.4.11, and it seems to run OK, but it throws a "format not supported" error when trying to convert any jpg file. I hate to pester you with a dumb question, but what am I missing? There are no error messages in the console log... Thanks!
I'll look into it. Unfortunately my PPC Mac is dead, so I only have an Intel Mac to test on. I'll see if I can repeat the error with JPGs.