On Team backgrounds it would be great to be able to delete unwanted images.
Tami Shaw commented
Consolidate these background ideas so we get some movement: https://microsoftteams.uservoice.com/forums/555103-public/suggestions/40015111-manage-custom-backgrounds
Robert @ BDO Global IT commented
I agree, the list of backgrounds is quite long and you would want to delete some of the less professional ones to make it quicker to select your custom or preferred background.