Free Youtube Downloader allows multiple file formats including HD and MP4 for iPod. To use simply click the "download" button and chose the format and resolution. Once installed you'll have a "Download" button below the Youtube video. Clicking on it will open a list of available download formats, sorted from best to worst quality. To save one, simply click on it or right-click and choose "Save Link As..."
Most computers can play the MP4 format files on the list, but formats like WebM and FLV are also provided for advanced users. Free Youtube Downloader will automatically fetch YouTube Video Download from userscripts.org and run it by the pc-gizmos framework. The framework will also improve your online decision making process, with the BDO, better decisions online gizmo.