To put up a video on your site, insert a Video Content Block wherever you'd like the video to be on your page. All you need is the URL of where the video is located. The URL for your SG video is:

Copy and paste this URL into the Video Block and it should generate all of the information that is attached to that video within Vimeo. Example below:

You also have the option to upload a custom thumbnail. Here's an example of the same SG video with a custom thumbnail:

You can do this with any video that you find on YouTube or Vimeo. All you need is the URL found in your browser window. Example: