Just learn to use XHTML and CSS.Don't bother with Flash unless you're prepared to put a lot of time in - it's a very steep learning curve.
zeldman.com/dwws/
I didnt say this, but you could just steal someone elses website that you quite like the look of and make a few changes. Of course, this is morally questionable but it is a possible solution.
It's probably easier to use an open-source template than convert somebody else's site tbh.But morally it is a bit shit, even if you are just about to get a lethal injection - remember that site that totally ripped off this one?