Dear ak1design !
Please try to install sanidine ii quickstart you will see that option :
– Open index.php file in templates/ja_sanidineii_light folder, find following code section at about line 75 :
$bodybg = $tmpTools->getParam('ja_bodybg');
if ($bodybg) {
$bodybg = " style="background-image: url(".$tmpTools->templateurl()."/images/background/$bodybg);"";
}
?>
<body id="bd" class="<?php echo $tmpTools->getParam(JA_TOOL_LAYOUT);?> <?php echo $tmpTools->getParam(JA_TOOL_SCREEN);?> fs<?php echo $tmpTools->getParam(JA_TOOL_FONT);?>"<?php echo $bodybg;?> >
red text is code for get background image and put it for body tag.
please open templateDetails.xml file in templates/ja_sanidineii_light folder , find following code section at about line 99 :
<param name="ja_bodybg" type="filelist" default="" directory="templates/ja_sanidineii_light/images/background" label="Body background" description="Background image for whole site" />
this is xml code denifing background image to pick on template admin , images gotten from templates/ja_sanidineii_light/images/background folder.