setting up the postage once loaded and accessible in zencart admin

[noideawhat]

Just asked this question in the wrong section so sorry for the
repeat, will try and find the contact to have the other removed.

Has anyone come up with an easy to understand help file of the set up
of google checkout for the postage set up in the zencart admin?

I have noticed this question repeated on the zencart forum on the
google checkout post but no one seems to have the answer.

Will I be able to transfer the postage from the royal mail module to
google checkout module by a simple copy and paste?

I have not been able to test it, due to the postage set up problem,
but what I have looked at seems to be set to US location rather than
UK as the home location.

I am not a developer as with a lot of the people who select to use
zencart so it would be great if any answers were simple. Thanks for
any answers in advance