/indra/newview/skins/default/xui/en/panel_hint_image.xml

<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
<panel
 width="305"
 height="40"
 layout="topleft">
  <text name="hint_title"
        font="SansSerifMedium" 
        left="8"
        right="290"
        top="8"
        bottom="20"
        follows="left|right|top"
        text_color="Black"
        wrap="false"/>
  <layout_stack left="0"
                top="25"
                width="305"
                height="0"
                follows="left|top|right"
                orientation="horizontal">
    <layout_panel auto_resize="true" width="100"/>
    <layout_panel auto_resize="true" width="0">
      <icon name="hint_image"
       top="0"
       left="0"
       height="0"
       width="0"
       follows="all"/>
    </layout_panel>
      <layout_panel auto_resize="true" width="100"/>
    </layout_stack>
  <text name="hint_text"
        left="8"
        right="297"
        top="30"
        bottom="30"
        follows="left|right|bottom" 
        text_color="Black"
        wrap="true"/>
  <button right="297" 
          top="8"
          width="16" 
          height="16"
          name="close" 
          follows="right|top" 
          image_color="DkGray" 
          image_unselected="Icon_Close_Foreground"
          image_selected="Icon_Close_Press"/>
</panel>