How to Add/Update Photo on Zoom
1. In Zoom, click on Profile circle photo 
or Initials 
in upper right hand corner, then click on My profile.
This will open up a web page.
2. On Zoom web page find Personal Profile > Photo 
or Initials 
Then click on the Pencil
3. Click on the Change button to search for desired image, and Save.
It may take 24-48 hours to sync.