Add-SPOOrgAssetsLibrary -LibraryUrl
"https://etr56.sharepoint.com/sites/orgsite/orgassetlib"
-ThumbnailUrl
"https://etr56.sharepoint.com/sites/orgsite/orgassetlib/celebrate.png"
Remove-SPOOrgAssetsLibrary -LibraryURL sites/orgsite/Assets -ShouldRemoveFromCdn
$true