I downloaded and upgraded to the latest version (6.0.34) which can be downloaded over here:
http://www.twonkyforum.com/downloads/6.0.34/twonkymedia-powerpc-glibc-2.2.5-6.0.34.zip
Have you also followed the additional steps I have written about?
- between step 6 and 7 the files in the new directory need to have executable rights
- Twonky would not start at step 9, so I used Winscp to upload the files, and after I mod them to 0755 Twonky started up
