Don't bother with the fish. Just let the tank cycle with the live-rock for several weeks. Once there is no detectable ammonium or nitrite then you can start thinking about adding some additional livestock.
Skimmer, or no skimmer, it does not matter at this point.
If you have not read this article, you should. Scroll down to Myth 15, but the rest of it is good too.
http://reefkeeping.com/issues/2004-01/eb/index.php
dsos
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