Thanks for the clarification. Unfortunately I won't be able to help
with the implementation. I'll try to test the LiveJournal export tool
on my data once OpenID is available though and will report anything
interesting in the issue tracker.
By the way, I came across a broken link on the site. See
http://code.google.com/p/google-blog-converters-appengine/issues/detail?id=8.
Looking forward for more exciting news from the Data Liberation Front :-)
-- Alexander