Here is a great tool anytime you need to download a clip from YouTube or Vimeo. Check out this website http://savevideo.me/ if you want to make sure you next video clip is ready to use in your environment. We use several different tools here at our office for this kind of stuff but this site works across many different platforms and the quality is amazing. You never want to rely on showing a video clip using the internet in a live venue because you never know when it might glitch. Try to always have a hard copy of the file on your computer. Next time you need to grab that clip try this free website out. The puts new meaning into free STUFF! Enjoy!