Inconsistant profile icon in meetings

[tonywangff]

I'm setting up our organization's newest rebranding icon for all users to use so we have the same icon during a meeting.
In a test meeting, we have 6 users using the same file uploaded the same way.

We have 3 different sizes in the meeting. 

Here's a screen shot. https://drive.google.com/file/d/1ZBV2AsU4wSwmp815NZGQBN2Z3fM6SciC/view?usp=sharing