<basemaps>
<layer type="tiled" label="Light Gray" icon="https://www.arcgis.com/sharing/rest/content/items/8b3b470883a744aeb60e5fff0a319ce7/info/thumbnail/templight_gray_canvas_with_labels__ne_usa.png" url="http://services.arcgisonline.com/ArcGIS/rest/services/Canvas/World_Light_Gray_Base/MapServer" visible="true"/>
<layer type="tiled" label="Light Gray" url="http://services.arcgisonline.com/ArcGIS/rest/services/Canvas/World_Light_Gray_Reference/MapServer" visible="false" reference="true"/>
<layer label="Aerial" type="tiled" visible="false" alpha="1"icon="http://farm8.staticflickr.com/7327/12196738736_abeeda671c_q.jpg" url="http://server.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer"/>
<layer label="Topo" type="tiled" visible="false" alpha="1"icon="http://farm8.staticflickr.com/7352/12196378733_3fd16ec153_q.jpg" url="http://server.arcgisonline.com/ArcGIS/rest/services/World_Topo_Map/MapServer"/>
<layer label="Streets" type="tiled" visible="false" alpha="1" icon="http://farm6.staticflickr.com/5508/12196539864_9fe1d98c46_q.jpg" url="http://server.arcgisonline.com/ArcGIS/rest/services/World_Street_Map/MapServer"/>
</basemaps>
Solved! Go to Solution.