Yeah, I know. Just take the article and change the way the templates are rendered and it should work fine. Cellarius wrote a really good article that you may be interested in -
[vB4] Rendering templates and registering variables - a short guide That should help you change the template rendering.
You can ask veenuisthebest if he plans to update his article. But, if he doesn't, then you are on your own to update the code (just like with any other modification).