如何使ASP.NET MVC在IIS 6中工作？

I have installed .NET Framework 3.5 SP1 and ASP.NET MVC CTP in a Windows Server 2003 R2 box, but my ASP.NET MVC site still doesn't work on that server. I was searching the internet and IIS for a solution and I noted that I can't choose other .NET Framework version besides 2.0 for my virtual directories. I'm almost sure if I correct this I can make my site work there.I have installed .NET Framework 3.5 SP1 and ASP