“Zooming Into the Future: Tips to Improve One’s Appearance at Online Meetings” on Law.com is a useful compilation of advice on the best –

• Lighting
• Background
• Eye level
• Appearance (did you know about the “Touch Up My Appearance” button?)
• Sound.

It’s written specifically for lawyers doing their lawyerly things and for witnesses giving evidence online but is a great resource for anyone and everyone using virtual meetings of any sort.