How do I use Firefox's Video Download Helper?

I've just downloaded Mozilla Firefox today.. And I downloaded the Video Download Helper add-on. From what I understand, it's supposed to help you save thing like YouTube files onto your computer. I've tried understanding how, but I can't seem to make it work :/ Can someone give me a really... show more I've just downloaded Mozilla Firefox today..
And I downloaded the Video Download Helper add-on.
From what I understand, it's supposed to help you save thing like YouTube files onto your computer.
I've tried understanding how, but I can't seem to make it work :/

Can someone give me a really easy, simple, idiot-proof method of saving YouTube files onto my computer using the Download Helper?

Thanks a lot :)
2 answers