Have you installed the rtcomm update???
Have you added the maemo extras chinook repository???

Add a new catalogue in program manager:

Catalog name: maemo Extras chinook
Web address: http://repository.maemo.org/extras/
Distrbution: chinook
Components: free non-free

then install the rtcomm update from this site:

http://rtcomm.garage.maemo.org/

with chinook extras all the other progams from chinook should work, too.
canola2 for example...