take parts of a DVD and make an MPG file with them. Please help.

[eye-Q]

hi there,
i have a presentation to prepare. I have a DVD and i wanna take only some minutes of it to make only one shorter MPG file with them and use it with my presentation. i am using win Vista, is there anyone who can tell me with with program am i gonna be able to do this??
thank you in advance

 

[cohen]

Free DVD ripper - Free (obviously) and you can select which chapter you would like to rip and then edit it in Windows Movie Maker.

Hope this helps