It looks like this is a bug with all the rounder corner layouts. After applying the Sculptor page if you change the width some modifications will have to be made to the CSS.
The changes that will have to be made are in the screen.css file. You will have to add the bolded parts in these sections:
#outerWrapper #headerBackground #headerBottom {
background-image: url("../2ColumnFixedRoundedCornerLeftSidebarHeaderandFooter_CaboSunset_images/header_bottom.gif");
background-position: left bottom;
background-repeat: no-repeat;
height: 156px;
}
#outerWrapper #contentWrapper #content {
margin: 0 0 0 246px; /* Sets the margin properties for an element using shorthand notation (top, right, bottom, left) */
padding: 14px 14px 14px 14px; /* Sets the padding properties for an element using shorthand notation (top, right, bottom, left) */
width: 600px;
}
#outerWrapper #footerBackground #footerBottom {
background-image: url("../2ColumnFixedRoundedCornerLeftSidebarHeaderandFooter_CaboSunset_images/footer_bottom.gif");
background-position: left bottom;
background-repeat: no-repeat;
}
And no, this issue is not related to how long the extension takes to install.
