Filters messages by blacklisted users in groups. [!] script relies on usernames (which can be changed). All images sent by the blacklisted are blank
original:
https://greasyfork.org/en/scripts/422696-telegram-message-hide
Edit the blacklist in the Tampemonkey extension panel:
Tampermonkey icon -> Telegram Message Hide (fixed) -> Filter list (under the script name)
