I'm a novice user trying to plot data values by IL counties. Used RegionValuePlot and obtained a color coded map. I would like to add labels at the Centroid of the polygons with values or text. Geolabels option set to true is too cluttered and displays the names of the counties. I'd rather plot the associated data values directly within the county areas. I noticed that Geolabels has a function option but could not find an example of its use in the online reference. Any pointers on using this option would be appreciated. Also any thoughts on embedding elements in a geopolygon will be very helpful.