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3. When viewing the preview version the related tables will not come up and when hitting the close button it throws an errorDoes this mean that you are talking about using my live preview site? And if so are you you going to the second link, the "Preview of related feature capability"? If you are clicking on the first link then that Feature "San Fransisco 3-1-1 Incidents" does not have any related data and thus the error message.
<operationallayers> <layer label="Poles" type="feature" visible="true" info="widgets/InfoTemplates/AttRelateInfoWinWidget.swf" infoconfig="widgets/InfoTemplates/IWT_Signs.xml" url="http://yourserver/ArcGIS/rest/services/Signs/FeatureServer/0/"/> </operationallayers>