Ustream today released its free live broadcasting application for the iPhone 3G and 3GS, allowing iPhone users to stream and broadcast live video from the iPhone over either Wi-Fi or the 3G network. Ustream Live Broadcaster provides the ability to broadcast a live stream via the Ustream servers or record video locally on the device, even on the iPhone 3G. Videos are streamed or recorded at a maximum resolution of 320x240 and recorded videos can be…