Background correto

Background correto, Aplicar no Css do blog

CSS: <style type='text/css'>

body { 

 background: url('http://2.bp.blogspot.com/-2TR2axPnr7Q/UHw6cO6DSsI/AAAAAAAAApk/PSDkAG6N6YE/s1600/DSC01366.JPG') no-repeat center center fixed !important; 

 -webkit-background-size: cover !important;

 -moz-background-size: cover !important;

 -o-background-size: cover !important;

 background-size: cover !important;

 /* Below is for IE 8 or less */

 filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src='http://2.bp.blogspot.com/-2TR2axPnr7Q/UHw6cO6DSsI/AAAAAAAAApk/PSDkAG6N6YE/s1600/DSC01366.JPG', sizingMethod='scale');

    -ms-filter: "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='http://2.bp.blogspot.com/-2TR2axPnr7Q/UHw6cO6DSsI/AAAAAAAAApk/PSDkAG6N6YE/s1600/DSC01366.JPG', sizingMethod='scale')";

}

</style>

Colocar no lugar de Body{ 

body { 

 background: url('http://i66.tinypic.com/333ijas.png') no-repeat center center  !important; 

 -webkit-background-size: cover !important;

 -moz-background-size: cover !important;

 -o-background-size: cover !important;

 background-size: cover !important;

 /* Below is for IE 8 or less */

 filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src='link-to-image-with-http', sizingMethod='scale');

    -ms-filter: "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='link-to-image-with-http', sizingMethod='scale')";

}