Use your PDA/Smartphone as webcam with unique software - WebCamera Plus!
WebCamera Plus key features:
1) Transforms your PDA or Smartphone into a high-resolution web-camera and microphone.
2) Can work through any connection: USB ActiveSync, Wi-Fi, Bluetooth, GPRS, 3G, LAN.
3) Compatible with most modern Smartphones and PDAs.
4) Can be used as a web-camera and microphone in many applications: Skype, Windows Live Messager, Yahoo Messenger, Virtual Dub and many others.
New version 2.1 brings many new features and fixes known issues of previous version.
1) Audio capture from built-in microphone! Even if your PDA dont have camera, you can use it as microphone in many programs: Skype, Virtula Dub and others.
2) Use WebCamera Plus Audio as Wireless microphone.
3) Use your device as ftp-camera!!
4) Many new Gigabyte, Samsung, Eten, HTC and other devices supported.
5) Multi-language core (both PC-side and device-side).
6) Autostart from any desktop capture software (only for ActiveSync connection).
7) XScale overlay is supported for capturing screen from built-in camera applications.

The license of this software is Free Trial Software, the price is $24.90, you can free download and get a free trial.