ok,it''s really simple and it goes in 3 easy steps!
lets begin:
1) enter to
youtube and click on the movie you
want to
download.
2) after you are in the desired movie page,copy the url address .
3) enter this site - http://javimoya.com/blog/
youtube_en.php
and in there enter the url address that you copied earlier and press on
DOWNLOAD.
if there is a problem or any malefunction with this site,you can do the same in this site : http://keepvid.com
(you need to copy and paste the movie url and press on download)
and that''s it! in a few seconds the download proccess will start and you''ll be asked to save the file on your hard drive.
Enjoy!