You can use convertXtoDVD to burn video files to DVD, it can convert avi, divx, xvid, mov, mkv, flv , mpeg1, mpeg2, mpeg4, nsv, dvr-ms, ts, ifo, vob, asf, wmv, realmedia, rm, rmvb, ogm, existing files from digital camcorders, TV/Sat, capture cards, etc. to DVD and burn movie to DVD–5 and DVD–9; DVD-R, DVD+R, DVD-RW, DVD+RW, DVD+R DL, DVD-R DL, DVD-RAM, etc, make the DVD playable on DVD player.
http://www.dvdtopreviews.com/dvd-creator-review-windows/convertxtodvd.html
Here is a video guide tells you how to burn videos to playable DVD with ConvertXtoDVD
http://www.dvdtopreviews.com/how-to/convert-burn-videos-to-dvd-player.html
If you still have questions, contact with me or keep asking on http://answers.yahoo.com