Copying a video DVD-R and its thumbnails exactly as it is?

Hello, copy a DVD-video from a DVD-R onto another DVD-R，that's easy, I used a good program RZ DVD Copy to do that well, you can have a try, it can directly copy video DVD to another blank DVD discs, such as directly copy your video DVD-R to another blank DVD-R. You could search and download RZ DVD Copy through yahoo or google, hope it could help you