you can try to convert your DVD movie into AVI first. you can download a free dvd to avi converter called leawo.
http://search.yahoo.com/search;_ylt=A0oGkw3bakhKODsAFahXNyoA?p=site%3Aleawo.com++free+dvd+to+avi&y=Search&fr=yfp-t-106&fr2=sb-top&sao=0 Inputs: DVD movies of all kinds and from any company
Outputs: AVI, MP3, M4A, AAC, WAV, etc.
Image: JPG, BMP, THM. and this converter is completely free one, with no limitation and no watermark. and here are some steps:
1,open the program, and insert your DVD, click load DVD to find the video you want to convert.
2,setting. choose the AVI as output format, and the folder you want to save your AVI video in. Then set something you can find on the program, like merge some clip into one.
3,click start then wait till the process finished.
4,when you got the AVI video, you can edit it in Windows movie maker. i think this guide must can help you too.
http://search.yahoo.com/search;_ylt=A0oGkiXNakhKQUcARydXNyoA?p=site%3Aleawo.com++user+guide+free+dvd+to+avi&y=Search&fr=yfp-t-106&fr2=sb-top&sao=1