God knows why I never took the time to figure this out (I say that a lot), but thankfully Peter Gekko did.
Now when I run my ASP.NET app, it runs in Firefox. Thats nifty.
Update: This will not work for me. I thought it did when I wrote it, but the process dies on me after about 5 seconds. Oops. I leave this post here in the hopes someone can figure out how I screwed up.