Google Checkout Redirection

Hey all, I'm looking for information on the Google Checkout links after payment. What I'm finding is that Google wants all successful purchases to be redirected to wp-login.php on my site...but I want them to go somewhere else. 
Here are the two methods I've seen for redirection in the Google Checkout API:
or
I've poked through a few of the s2Member files, but the only redirection I can find is for purchasing access to specific pages/posts. Anyone know of a way to redirect *all* successful payments to a specific location?

Here are the two methods I've seen for redirection in the Google Checkout API:
- Code: Select all
<input type="hidden" name="checkout-flow-support.merchant-checkout-flow-support.continue-shopping-url" value="http://domain.com/thank-you" />
or
- Code: Select all
<continue-shopping-url> http://www.example.com/thank-you </continue-shopping-url>
I've poked through a few of the s2Member files, but the only redirection I can find is for purchasing access to specific pages/posts. Anyone know of a way to redirect *all* successful payments to a specific location?