A great way to ace video interviews is to have a customised background.
The background is a function of whom you are interacting with.

If the interviewer is a risk-taker, let the background define yourself that way.
If the interviewer is risk-averse, let the background be modest while defining who you are.

It will require research.
It will require you know the interviewer fully well, before meeting them.
It would require you to make efforts to go beyond a one size fits all background.

Don’t personalise it. Make it personal.
– Seth Godin