I burned a movie to my computer using DVD Decrypter.  They converted the movie into 8 VOB files.  I converted these into .dpg files using SUPER and most turned out great.  But, the first of the VOB files doesn't work correctly on my DS.  The video runs about 3-4 seconds ahead of the sound.  The other 7 VOB files converted and run just fine, but the first one doesn't.  To see if it had something to do with the movie, I used another DVD and the same thing occured.  Does anyone know why this is happening with only the first VOB file?  Thanks for any help you can provide.