MtGox & Google Auth on foxfire for dummies, please?

[soy]

I've had a MtGox account for 1 year (actually 9 days shy).  Today I tried activating the Google 2-step Authorization with MtGox and failed.  I don't know where I'm going wrong.

Joined Google+.

Activated Google 2Step Auth as shown here: https://support.google.com/accounts/answer/185839?hl=en

Then I logged into MtGox and in the Security Center and there are three choices, get a Yubi key, add Google OTP, or Get an OTP card.  The Yubi and OTP card had buttons in green while the add Google OTP was grey.  Tho it was grey it did present a New Software Authentication System page and although I added the hash given by Google 2-Step, the MtGox failed to save it.

Must one now _only_ buy a Yubi key or an OTP card?

Thanks in advance to anyone who can clear this up for me.

soy

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[escrow.ms]

step by step guide.
https://bitcointalk.org/index.php?topic=111943.0
http://coinbits.com/2013/03/26/public-service-announcement-turn-on-mtgox-double-authentication-with-google-authenticator/

Try it on a new mtgox account before using it on your real account to understand how it works.

[soy]

Tried and failed again darn it.  Failed at Step 2, opening the index.html, did and it did not have the needed fields.  Gotta go care for my chickens, hope to get this done tomorrow.

[soy]

Okay.  I went to the MtGox Security Center and worried about time I did the Google OTP button then quickly copied the Private Key and having found that the + on GAuth Authenticator did give the needed fields, I entered the name MtGox, tabbed down and pasted the Private Key and it generated a 6 digit number which I entered on the Code line of the MtGox Google OTP form and before copying the other data, e.g. Public Key, hit the Save button and now the TOTP#xxxxxx appears above the Google OTP symbol and I was now able to add the method to withdraw where the TOTP#xxxxxx now appears with an x within a red circle nearby.

Again, I did not copy the Public Key.  I do have a copy of the Private Key.  Is there a way I can access the TOTP#xxxxxx data before signing out of MtGox so I can obtain the Public Key?  

I see the GA Auth is still creating OTPasswords for MtGox every 30 seconds.

Now how is this going to effect my MtGox usage?

Will the GA Auth open to the MtGox setting every time?

Thanks.

soy

[soy]

Another question: On MtGox the process is called TOTP#xxxxxx while on the GA Auth I called it MtGox.  If the process is called TOTP#xxxxxx on Gox do I need call the process on GA Auth the same?