If, like this man, you get headaches from watching TV with not enough lighting, yet are too cheap to buy a real Philips Ambilight, here's a way you can construct your own ambilight-like system w/ any TV.
Step 1: Buy Cheap LED Light strips from IKEA.
Step 2: Attach it to the back of your LCD/Plasma.
Step 3: No more headaches.
Give your HDTV the Philips Ambilight effect on the cheap [Instructables via Consumerist]