Minitube is a native YouTube client. With it you can watch YouTube videos in a new way: you type a keyword, Minitube gives you an endless video stream. Minitube does not require the Flash Player.
Minitube is not about cloning the original YouTube web interface, it strives to create a new TV-like experience.
Install minitube in Ubuntu Jaunty
You need to download .deb package from getdeb
Now you should be having minitube_0.7-1~getdeb1_i386.deb file install this .deb file using the following command
sudo dpkg -i minitube_0.7-1~getdeb1_i386.deb