You can just go to kissyoutube.com, or you can simply copy the YouTube address and paste it into the box, like this:

http://www.youtube.com/watch?v=GQdp68zsK4I&NR=1

then type 'kiss; inside it, like this

http://www.kissyoutube.com/watch?v=GQdp68zsK4I&NR=1

and you will be given the option of downloading it. You can do this while you eat supper, and watch it later.

There are several standalone players that will play .flv files, or you can convert them.