you shoud try RZ DVD Creator

I think there is any easy way, you shoud try RZ DVD Creator, it can create standard home DVD, it can directly convert and burn any videos to DVD(DVD+R, DVD-R, DVD-RW, DVD+RW, DVD-DL, DVD+DL, etc), such as avi to DVD, etc., flv compatible playerit can cusomize the target DVD size.I have used it, work well, easy to use, i like it.