Hosting Adventuremaps - best practice?

Hi all

I allready got my little SMP-Homeserver organized with multiverse-core/-portal so that we have access to different adventuremaps.

But: As long as most adventuremaps aren't built up a way that you can play it as often as you want without resetting, it is "played" and not usable until you copy it over. I'd say the command-block would give this option in some cases, but as soon as you use explosives, open doors, burn stuff, empty chests etc. that was it :-/

HOW do you manage this, when putting Adv.maps online? Is it allways handwork, or are there ways to reset them automatically? I found out (and maybe did it wrong) that just copying the world-folder over while the server runs is a bit dangerous and doesn't really reset the world state? How does mc/bukkit behave for this?

Any idea is really appreciated!