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Hopefully you are nearly there with Lynn's advice but if you do go down the extension route I highly recommend this one: http://www.magentocommerce.com/magento-connect/online-promotions-by-mirasvit-1211.html

Same issue for me too.

Seems to be a 404 for http://moz.com/stylesheets/campaigns/overview.css causing this.

I get the same too.