Gizmo pointed out in IM, that all of your commenters are from users of the Anonymous account.

Within UBB.threads, Anonymous USER ID is always user 1 within the database.

Maybe the code should be updated to include, {if $postrow[post].userid ne '1'}OP{/if}


current developer of UBB.threads php forum software
current release: UBB.threads 8.0.1 // wip: UBB.threads 8.1.0
isaac @ id242.com // my forum @ CelicaHobby.com