Here's an article I just noticed - I've never tried this method myself:
https://vborg.vbsupport.ru/showthread.php?t=229194
Here's another article on creating your own custom page:
https://vborg.vbsupport.ru/showthread.php?t=228112 . The difference between this one and the one above is that with this one, your template would need to contain a complete html document with the right vb variables inserted for the header, footer etc. Sounds like you really want the one above, but I thought I'd include this anyway.