...and now I briefly break my 日本語 discipline to explain how to get these to work.
Your computer needs a DVD Burning Drive to create these DVDs. In Windows (XP), the burning can be done with a freeware program called DVD Decrypter, which may be downloaded at http://www.mrbass.org/dvdrip/SetupDVDDecrypter_3.5.4.0.exe. Once you install the program, set the Mode to ISO->Write, and open the image file.
On a Mac, you can use Toast.
Once burned, the DVDs will work on any DVD player or computer with a DVD drive.
If you need help figuring out how to burn the DVD images, contact me on MSN (dokool@hotmail.com). If you can't burn the DVDs yourself and would like copies, contact me as well and we'll work something out.