Simple yet done.
Code:
<ImageStyle Name="exp06_dun_vastydeep02" displayname="Vasty Deep: The Abandoned Labs" menugroup="Miscellaneous" zonerect="-166, -442, 237, 25">
<ImageFrame Source="images/maps/map_exp06_dun_vastydeep02.dds" SourceRect="0,0,436,506" />
</ImageStyle>