Air Video allows you to stream your videos to iPhone, iPod touch, and iPad devices. I like it and recommend that you give the free version a try. Here's how to set it up in a few minutes. Air Video Air Video has two parts. The first part is a server that runs on your desktop machine at home or whenever your videos are stored. The server essentially reads the local videos (that you've configured to be viewable) and publishes them for your mobile devices. In some cases, that requires that the videos be converted to a format for your mobile device. This conversion can happen in real time (Air Video "Live Conversion") if you have at least a Core 2 Duo processor on your desktop. Live conversion allows you to watch the video instantly. The videos may also be converted in batch mode. You basically say you want to convert a video and it will be available to watch as soon as the conversion finishes. Step 1) Install the Air Video Server on a fast machine with access...