Some of you saw the overlays I was using on my Garmin 62stc over the weekend. It allows you to use the published trail maps for OHV with actual trail numbers. It also connects the maps seamlessly between the route systems. This was created by first merging the Stonyford, MiddleCreek, and Pillsbury maps together. Then I chopped the combined map into 12 slices (3 and 6 were blank, so did not convert to KMZ). I then lined up the images on Google Earth and set the draw order to 51 which places it over the topo maps.
You can use these on any Garmin that support overlays or import them into Google Earth. Just place them in your Garmin/CustomMaps/ folder on the SD card.