use another soft to edit and then make the dvd with TMPEnc

try virtualdub to edit, I'm not really sure if it works with vob files though

here's a tutorial

scroll down to "Creating Chapters"

hope it helps

actually iv just found this bit in your tutorial...............



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Set as start frame (defined as initial frame): Set the frame in which the cursor is blue box initial frame. ése será el punto donde comenzará el recorte de la película. That is the point where they begin cutting the film.
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Set as end frame (Definir como fotograma final): Define el fotograma en el que se encuentra el cursor del recuadro azul como fotograma final. Set as end frame (defined as final frame): Set the frame in which the cursor is blue as the box frame final. ése será el punto donde acabará el recorte de la película. That is the point where they end up cutting the film.
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Move to start frame , Move to end frame (Mover al fotograma inicial, Mover al fotograma final): Desplaza el cursor al fotograma inicial o final. Move to start frame, Move to end frame (Move to frame the initial move to end frame): Moves the cursor to the initial and final frame. Estas cuatro opciones son las mismas que las que se usan en el filtro Source range del compresor TMPGEncoder. These four options are the same as those used in the filter Source TMPGEncoder range compressor.
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Previous, Next (Previo, Siguiente): Mueve el cursor al fotograma anterior o al siguiente. Previous, Next (Previous, Next): Moves the cursor to the previous or next frame.
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Cut (Cortar): Recorta la película eliminando lo contenido entre el fotograma definido como inicial y el definido como final. Cut (cut): Cut the film by removing the content between the frame defined as defined as the initial and final.




............but unless im REALLY stupid (maybe) thats what iv ben doing: mark the first frame i DONT want as start and the last one i DONT want as end-but it cuts the wrong bit!