Sizing options for YouTube embedded videos

[TheSevenPens]

The ability to embed a youtube video in a doc page is very useful.

But the size of the embed is very large. And sometimes this is overwhelming and makes that the video too much of a dominant visual. I'm using videos to supplement my docs, but their prominent size fills up the page so much some people miss the actual text below the embed.

Example:

What would be better is to allow users to specify the size of the embedding - similar to how embedded pictures can be shown at several sizes.

With a smaller size, users would also need the ability to align the embed (left, right, center) - again just like an embedded picture.

Example: