I tried to address the "permission denied" errors in my post
here.
Please let me know if you get it to work using that method
I will see if I can't find a work around for the invalid length issue in a bit.
please keep any issues you are having with these guides out of this thread. There is another thread for this purpose.
http://androidforums.com/all-things-root-ally/111195-ask-questions-here-dont-flood-root-topic-please.html