Smartcam is a small utility which can help you in using your mobile camera as a webcam and it is 
really handy to use so simply downloading it and installing it will help you in using it.
1>Download the SmartCam Package ( contains windows setup and all the mobile applications install 
according to your mobile )

http://goo.gl/a2YmX

2>After downloading this above package simply extract it and install setup in PC and app according to 
your mobile phone.
3>Now you have both the things installed you can use Bluetooth to connect and use mobile camera as a 
webcam.

detail inside rar file