Best Answer James B† , 05 February 2013 - 11:12 PM
Looking in the source code of your site, its seems that the one slide is set differently to the other slides on the site, it looks like it's still set to use text on the left rather than the full width bg.
If you go into Features>slide from wp admin menu and check the meta settings on this slide and republish. Hopefully it will resolve :-)
html/css code - http://screencast.com/t/AAoU508p
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