Metal Artz, whatever is the index.html is what comes up whenever you go to http://yourname.dbspot.com. You can make these pages with whatever as long as you get an html file out of it without compatibility junk (like geocities or the offline page editor). You make a page offline, then upload it using an FTP program, or the one that Jimmy has on dbspot.
Here's a nice program:
http://www.nvu.com
Like Apolloed said though, this information is easily accessible via a quick search on google or even the forum search features.
Crazy Donut Productions
Current Project: A Redneck game