Here are the three solo/heroic dungeons from Western Wastes. They use the same image as the overland zone.
Code:
<ImageStyle Name="exp21_dun_western_wastes_01_solo" displayname="Western Wastes: Charnel Scar [Solo]" zonerect="-1582, -1148, 1408, 1075">
<ImageFrame Source="images/maps/map_exp21_rgn_western_wastes.dds" SourceRect="0,0,800,600" />
</ImageStyle>
<ImageStyle Name="exp21_dun_western_wastes_01_easy" displayname="Western Wastes: Charnel Scar [Heroic I]" zonerect="-1582, -1148, 1408, 1075">
<ImageFrame Source="images/maps/map_exp21_rgn_western_wastes.dds" SourceRect="0,0,800,600" />
</ImageStyle>
<ImageStyle Name="exp21_dun_western_wastes_01" displayname="Western Wastes: Charnel Scar [Heroic II]" zonerect="-1582, -1148, 1408, 1075">
<ImageFrame Source="images/maps/map_exp21_rgn_western_wastes.dds" SourceRect="0,0,800,600" />
</ImageStyle>
<ImageStyle Name="exp21_dun_western_wastes_02_solo" displayname="Western Wastes: The Warming Warfields [Solo]" zonerect="-1582, -1148, 1408, 1075">
<ImageFrame Source="images/maps/map_exp21_rgn_western_wastes.dds" SourceRect="0,0,800,600" />
</ImageStyle>
<ImageStyle Name="exp21_dun_western_wastes_02_easy" displayname="Western Wastes: The Warming Warfields [Heroic I]" zonerect="-1582, -1148, 1408, 1075">
<ImageFrame Source="images/maps/map_exp21_rgn_western_wastes.dds" SourceRect="0,0,800,600" />
</ImageStyle>
<ImageStyle Name="exp21_dun_western_wastes_02" displayname="Western Wastes: The Warming Warfields [Heroic II]" zonerect="-1582, -1148, 1408, 1075">
<ImageFrame Source="images/maps/map_exp21_rgn_western_wastes.dds" SourceRect="0,0,800,600" />
</ImageStyle>
<ImageStyle Name="exp21_dun_western_wastes_03_solo" displayname="Western Wastes: Darkened Passages [Solo]" zonerect="-1582, -1148, 1408, 1075">
<ImageFrame Source="images/maps/map_exp21_rgn_western_wastes.dds" SourceRect="0,0,800,600" />
</ImageStyle>
<ImageStyle Name="exp21_dun_western_wastes_03_easy" displayname="Western Wastes: Darkened Passages [Heroic I]" zonerect="-1582, -1148, 1408, 1075">
<ImageFrame Source="images/maps/map_exp21_rgn_western_wastes.dds" SourceRect="0,0,800,600" />
</ImageStyle>
<ImageStyle Name="exp21_dun_western_wastes_03" displayname="Western Wastes: Darkened Passages [Heroic II]" zonerect="-1582, -1148, 1408, 1075">
<ImageFrame Source="images/maps/map_exp21_rgn_western_wastes.dds" SourceRect="0,0,800,600" />
</ImageStyle>