A place for us to play and learn how this works.

Trying to embed a video:

Well, that was simple. . .done by clicking on Widget, then Video in the left column.
How about an image:

external image images?q=tbn:ANd9GcTrTxlxlmBGy-fdxYgzYKdqPXTcV3WZGNRyx1MNW0ihUonP2NyU Also easy (using Link in the above menu. Note: going to see Spain vs. USA futbol match today!) After image has been embedded you can change size, page position, etc. by clicking the image. . .you have to be in page edit mode, of course.
Check this out!

Some unrelated articles I found interesting...