If you've done any live video streaming before (whether it's sharing footage of that adorable thing your cat is doing or streaming a backyard concert to friends), you'll know that you're often stuck hacking together apps and Web services to get everything working. Ustream just released a free (and paid pro version) Producer application that streamlines the entire process with an easy-to-use app that lets you switch between video sources easily and streams standard definition video live to……
