Example here : http://cdm16038.contentdm.oclc.org/cdm/compoundobject/collection/p15017coll23/id/1842 (from list : http://cdm16038.contentdm.oclc.org/cdm/landingpage/collection/p15017coll23 Hagley Digital Archives)
Execute on each image page, the following JS:
prompt("copy this metalink file data:",'<file name="'+$.trim($("#metadata_object_title").text())+'">\n<resources>\n<url type="http">'+server_api_url + "?CISOROOT=" + thisCollection + "&CISOPTR=" + thisItemId + "&action=2&DMSCALE=100&DMWIDTH="+thisImageInfo.imageinfo.width +"&DMHEIGHT="+thisImageInfo.imageinfo.height+"&DMX=0&DMY=0&DMTEXT=&DMROTATE=0"+'</url>\n</resources>\n</file>');
Into metalink:
<?xml version="1.0" encoding="UTF-8"?>
<metalink version="3.0" xmlns="http://www.metalinker.org/">
<files>
PAST HERE
</files>
</metalink>