If this has already been posted, please remove it. Please don't flame me, I'm only trying to help for people who don't know how to do this.

Step 1: Upload your video to your file share, and send it to your theater.

Step 2: Go to [ Register or Signin to view external links. ] and find your video (Make take some time to upload to the theater depending on traffic) and link your youtube account to the site.
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Step 3: Once you have your Youtube channel linked and the video is successfully uploaded to the Call of Duty theater, go to your youtube channel and click on your name in the top right corner. There you will see a list on the right hand side. Click "Uploaded".
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Step 4: Find your video on the list and click "Edit." This should take you to a page where you can edit the name, title, description, tags, and privacy of your video. Scroll down till you see "Broadcasting and Sharing Options." Select "Private".
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Step 5: Open up another tab/window and go to [ Register or Signin to view external links. ] Go to the tab/window with your Youtube video up, and copy and paste the URL into the URL Box on the KeepVid website. Make sure you enter it into the box on the site, not the URL Bar at the top of your screen.
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Step 6: Click download and then your done.

Please note, there may be a slight slip in quality. To reduce this, make sure you upload the video the same size as the one you downloaded. I hope this helped some of you who were wondering how to get your clips off of theater and make some nice montages.