Would you like to use your Android phone as a wireless webcam? Here is free android app called DroidCam that transforms your phone into a webcam and mic, which can then use with your Skype, Yahoo, or MSN over Wi-Fi on your computer.
To use DroidCam as a webcam, first install it in your phone, then download and install its computer client. A Windows and Linux version is available for free download at official site.
After installing it in your phone, note down the IP address displayed. Enter it in the PC client’s IP address field and click connect button to connect your device via Wi-Fi.
A Pro version of DroidCam also available, which supports various video formats and higher resolutions, Bluetooth, access via your browser (surveillance/ip camera), connect via 3G, camera flash, auto focus and more.
DroidCam supports Android 2.2 and above. More details about it available at here.