iWebcamera 2.0 app from AppStore is a kool new application to make full use of your iPhone/iPod touch 4th generation camera. Now you can use your iPhone/iPod camera as Web cam on your Laptop/PC. Download the iWebcamera App from AppStore for $4.99 [iTunes link]
Open the App>Tab on the ? sign which will take you to the Settings>Tab on Send Drivers > Put your email Address (Link to Download Drivers will be sent to you email address> Open the Link and install the Drivers (Mac,Windows etc) > Reboot and Viola!
Now enjoy Webcam chat and use your iPhone/iPod touch 4th generation as Web Camera No need shelling out extra money out of your pocket to buy a Web Cam. Tested with Skype on Windows 7 & iPhone 4.
iPhone 4 users can switch between front and rare camera.
The iPhone Help
The iPhone Help