Enable Custom Image Header panel?

Setting to "Yes" will set a new option in your Dashboard -> Appearance menu.
   Setting to "Yes" will set a new option in your Dashboard -> Appearance menu. Setting to "Yes" will set a new option in your Dashboard -> Appearance menu. Setting to "No" will not set a new option in your Dashboard -> Appearance menu. Setting to "Yes" will set a new option in your Dashboard -> Appearance menu.
Header Image Height

Set the height of the image you want to use in the Custom Image Header panel.
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Header Image Width

Set the width of the image you want to use in the Custom Image Header panel.
The Standard and V styles use 760 px width, while the 3C, GN and V3C use 980 px width. This is configurable in case you set the #page, #page-width widths in the CSS to something different than the default while using the Custom Header panel.