For a more complete list see Comparison of webcam software. Some people still prefer to do things the old fashioned way. Further interfaces such as e.
Don't be back lit. Here are the basic steps to take to get your camera working again: Computer camera troubleshooting Built-in or external camera? The Webcam Social Shopper is one example of software that utilizes the webcam in this manner. There are quite a few apps that will help you do this search your favorite app store for "home security monitor". Stick your chin out and slightly down but not so much that you look strained.