Streamyard

Tip #1 - You can upload animated GIF files (e.g. countdown timer up to 60s or animated logo)

Tip #2 - You can use alternate camera angles if you have a 2nd Webcam (open 2nd Streamyard browser window)

Tip #3 - "The Voice of Oz" (how to have your voice when your camera isn't on)

Tip #4 - The spacebar can be used as an "undo" button for your last action

Tip #5 - You can use streamyard for your virtual meetings up to 10 participants (on a paid plan) or 6 participants on a free plan