I happened to find this way on google. I'm very happy to share with you. Please reply with your ideas and method.Thank you.
The program I'm using are flv to video converter and Nero.
With the converter, you can download, play, and convert flv videos to your dvd.

Install and launch the converter.

1. download the video (it will automatically be saved to your compuper hard disk)
2. convert the video to mpeg format
3. burn the converted file to your dvd with Nero.

If you are interested you can search "flv to dvd" on google.

Enjoy.

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