If you're interested in "Clicker Training" your dog here's a good video on how to teach your dog to lay down. There are also other videos there in the "Clicker" training series:
http://video.google.com/url?docid=6515593034463177418&esrc=sr9&ev=v&q=dog+clicker++training&vidurl=/videoplay%3Fdocid%3D6515593034463177418%26q%3Ddog%2Bclicker%2B%2Btraining%26total%3D371%26start%3D0%26num%3D10%26so%3D0%26type%3Dsearch%26plindex%3D8&usg=AL29H22RfZ7u42rAIKyOLxKiyLiKrkOqhQ
