求教怎么将Stylish的一个about:newtab样式里的背景图片地址替换成本地图片格式？？？

/*Main Background*/
#newtab-scrollbox:not([page-disabled]), 
#newtab-scrollbox { 
background: url('http://XXXXXXXX.jpg') 100% 100% !important; 
background-repeat: no-repeat !important; 
background-attachment: fixed !important; 
background-position: center !important; 
-webkit-background-size: cover !important;
-o-background-size: cover !important; 
background-size: cover !important; 
overflow-y: hidden !important; 
min-height: 100% !important; 
min-width: 1024px !important; 
width: 100% !important; 
height: auto !important; 
}

background: url('http://XXXXXXXX.jpg') 100% 100% !important;
上面的样式是用网络上的图片地址，可我想用本地图片地址替代，应该怎么修改？

taglife：是 about:newtab

Windows:
background: url('file:///C:/XXXXXXXX.jpg') 100% 100% !important;
   <!-- s8) --><img src="{SMILIES_PATH}/icon_cool.gif" alt="8)" title="Cool" /><!-- s8) -->    回到原帖

感谢！！！标题已修正...