no its not working :/
You can only use thumbs in your journal as far as I know, and you may have to be a premium member too.
i try ------>:thumb202305690:
(i know im late but...) Uhm... stamps don't work on the commenting section unless you're a Premium Member. They only work on some tabs on your page. Hope I helped.
Do you have a version that a non-premium member can use?