Can I upload a you tube video to my air
Can I upload a You Tube video to my air?
MacBook Air, OS X Mountain Lion (10.8.1)
Perhaps this is what you are looking for:
http://download.cnet.com/MacX-YouTube-Downloader/3000-2071_4-75737345.html
They claim
"MacX YouTube Downloader is a totally free YouTube video downloader for you to download YouTube video with fast speed on Mac.It is specially designed for Mac users to download videos from YouTube for free."
Disclaimer: I have never used this.