Step 1:
Go to http://clipnabber.com/
CLICK HERE
Step 2:
Put the youku.com video link in the box beside the nab video button.
Example: http://v.youku.com/v_show/id_ca00XMTA4NDEwMzY=.html
Step 3:
Click Nab Video. A download link will be generated.
Step 4:
Put the download link in Free Download manger and downlaod the file in .flv extension.
DISADVANTAGE:
IF THE VIDEO IS RATED AS PREMIUM ,YOU CANNOT RESUME THE DOWNLOAD IF THE DOWNLOAD IS BROKEN OR YOU ARE NOT ALLOW TO DOWNLOAD PREMIUM VIDEO.
DOWNLOAD LINK FOR FDM:
http://www.easy-share.com/1903718889/fdminst-lite.exe