i seems like you really should to try to update to the newest versions of everything.
hmm. it is hard to know what is the right pd to download.
i don't know about packages, but probably you can even install the lucid package (0.42.5) on karmic.
what is the lucid package?
It is really not easy to navigate the many webpages to find the downloads.
and what about http://autobuild.puredata.info/auto-build/latest/Pd-0.42.5-extended-ubuntu-k...
I'm on 64bit, so it doesn't install. leider.
viele donkeschonis,
-august.