I wrote something a while back on "Adding a "States Visited" Map to Your Signature".
http://www.montanaowners.com/forums/...ad.php?t=40564
The "States Visited" map is a picture (JPG). Skip over the part dealing with creating the map (other than storing the picture at an image hosting site such as Tinypic or such). The rest of the instructions deal with adding the image to your Signature in your Profile. Hopefully this will help you.