shekvaL
Hey Geeks
To download a Youtube Video on ubuntu , there is a few steps to follow
1- open your video on youtube
2- wait it to buffer
3- DONT CLOSE FIREFOX
4- Go to Places > computer > File System > tmp
5- you will find the video there just drag it to the desktop
6- EnjoY
P.s : this way works with all webpages that contains Vids
Best Regards / ShekvaL