Hi,
Sorry that your topic has been missed somehow.
None of our extensions/templates promise to function and look fancy on IE7 and IE8 as well as on browsers that support CSS3 and HTML5.
But not loading at all, is a problem. I strongly believe this is a jQuery conflict issue which is not a cross-browser issue at all.
Are you working in a live website? Can you please provide me your URL to let me take a look at it?
Regards.