Their good apps but you need to convert the files and burn them...
Try
http://www.dvdsanta.com it's so easy to use...The Demo version is great, it has no time limits, the only thing it has is a demo message at the top of the screen in your output video, but you can overcome this by zooming in a frame with your dvd remote...
If you have any troubles with it, just let me know, I will be able to help you sort them out....