<xml_fields>
  <fields>
        <image label="Image" filter="W=100;H=100" data_type="file" />
        
        <group1 label="Thumbnail" data_type="group" multiple="1" >
            <thumb1 label="Thumb" filter="W=100;H=100" data_type="file" />
            <align1 label="Align" data_type="dropdown" values="left;left;right;right" />
            <text1 label="Text" data_type="text" rows="2" columns="76"/>
            <imagelinktype1 label="Link type" data_type="dropdown" values=";(none);int;Internal;ext;External" />
            <imagelink1 label="Link (for external)" data_type="text" rows="1" columns="78"/>
            <imagelinkint1 label="Link (for internal)" data_type="dropdown" values="130" />
            <imagelinktarget1 label="Link target" data_type="dropdown" values=";Open in same page;_new;Open in new page" />
        </group1>
        
  </fields>
</xml_fields>