1 Oversize corn chip + 1 Undersized dog = Millions of dollars Many people say that the US is the land of opportunity, but the latest money making opportunity has come from south of the border. Chihuahuas, Talking Chihuahuas. Taco Bell has struck a gold mine in its latest advertisement campaign involving a talking Chihuahua, fueling an instant craze for the little dogs, and all of their merchandise. The actual filming for all of the commercials was shot in western LA using a simple white background. Four look alike dogs were filmed in many situations at many angles. Using simple verbal commands such as sit, stay, and lie the trainers instructed the dogs out of view of