Shooting a television image is quite a tricky task especially if they are from a CRT screen. In the examples shown here, a high resolution flat screen was the medium and the pictures were shot in available light. When shooting a TV image, bear in mind that the picture takes a little time to form completely on the screen so you must try shooting at different shutter speeds until you finally get a clear picture.
I took these images on a trial and error approach until i discovered that at a shutter speed of 1/60, the images will stabilize without any ghosting and blurring. It is also advisable to use a tripod if shooting an image would entail you to use a shutter speed of less than 1/60. A much more effective apporach would be to freeze the frame if you're viewing a movie played from a DVD Player and from there make your test shots until you come up with a good image. There's no hard and fast rule here so experimention is always an option.