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What does your site look like now? Got a URL?
The php-script used on bornslacker.com is a php-nuke template...
However, I think you might be able to achieve the same sort of effect, by using a 100% width span template, and you can adjust the block settings to be in the center...then adjust the center blocks weight (1 for top, 2 for bottom, or if you have like 6 things in the center, 6 weight would be the bottom)
hope this helps a lil bit,
portsnark