How to add YouTube video
1. After importing pages from PDF, you can turn to the page you want to embed YouTube video, then click "Insert" -> "Insert YouTube Video" menu item.
2. After clicking "Insert YouTube Video" menu item, you will be prompted to specify a YouTube video ID.
Note: You can find it in the URL of YouTube videos. 'The string of letters and numbers after "v=" in the URL is the video ID. So for the URL: http://www.youtube.com/watch?v=CCz1kmfqL7g, the video ID could be CCz1kmfqL7g.
3. After inputing a video ID, please click "OK" button, you will see the interface like below has been added into the current page.
4. You can drag & drop it to the proper position you want, and resize it by mouse.