Sylvia,
As you say, thinking and making our message/content is more important than how we might look/feel about ourselves when we judge ourselves in our videos too much. Changing my focus to "it's not about me; it's about you" may help making videos a lot easier. In f2f teaching, if we think about ourselves while we are teaching, we would soon forget what we want to say.
Out of confusion comes clarity.
Leonne