As i know the most powerful tool is the ConvertXtoDVD. It supportst converting your video files to the dvd format readable by all standard dvd players, then burn automatically to DVD!
it is easy to use, fast and it works great.
1. Download ConvertXtoDVD from vso official site here:
http://www.vso-software.fr/products/convert_x_to_dvd/?ap=regnow&aid=56510
It can convert any video file.. like
avi, divx, xvid, mov, mkv, flv ,youtube, mpeg1, mpeg2, mpeg-, nsv, dvr-ms, tivo, ts, ifo, vob, asf, wmv, realmedia, rm, rmvb, ogm,
2. Add or drag-n-drop as many video files as the DVD can handle
3. Insert blank DVD
4. Click "Convert"
5. Enjoy watching those video files on your home DVD player! =)
ConvertXtoDVD has a lot of extra nice features too,
for example you can make your own DVD menu or auto-generate it, add subtitles, auto-burn to dvd or save your conversion.