Vimeo video permissions must be either Public (which means anyone on the internet can view the video); or Unlisted (which means only people with the link can view the video). For more information on Vimeo permissions or account options, click here.
1. Upload the video to Vimeo.
2. From the "Videos" menu, click the Share button on the video
3. Click Copy Video Link
4. Paste the link you've copied into the Reference URL field in Op Central. The video will appear with a playable thumbnail preview below. If you do not see the playable preview, then you have copy/pasted an incorrect link.
If you need assistance on finding the right place to embed your video, click here.