NOW hit enter.
It wil show you in which format you want to download the video like Flv,mp4,3gp etc.
Select your desired format and download it
It's cool trick na to impress your friends.
There is one more trick to download the video i.e..
Just add "sfrom.net/" before the url of a video which you want to download. for example:
sfrom.net/http://youtube.com/watch?gl=US&hl=en-GB&client=mv-google&feature=m-featured&v=Ay7ER3TGSoM.