Hey Brian,
We have fixed the checkout contrib at your site to support STS long ago,
maybe you will update the thread and write about it?
We just paid $200 for your checkout module. Followed the instructions perfectly - tripple checked all code changes, and the outcome is a blank page once we hit "checkout". Our template appears, but it's missing the shipping and billing info!
The only thing I can think of is that we're using STS - simple template system...
Please advise how we can resolve - otherwise we're requesting a full refund.
Thank you,
Brian