For entrants who want to add a video to their submission, but not have that video publicly posted on Youtube or Vimeo, there is now a way to do that. Please follow the steps below to add your video by Dropbox. This will require a Dropbox account (which can be set up for free).
Step 1: Upload your video to Dropbox, mouse over the file or click the three grey dots to the right of the file. You'll see an option marked "Share," click on that.
Step 2: In the lower right, you'll see an option that says "Create a link." Click on that.
Step 3: Now you'll see a new option in the lower right that says "Copy Link."
Step 4: Click on "Copy Link" and the link will automatically be copied to your clipboard.
Step 5: Return to your entry and click "Add Video" under "Video (Private).
Step 6: Paste the link from Dropbox here. This will allow judges and admins viewing your submission to see the video, without the need to upload your video publicly to Youtube or Vimeo.