Re-looking at your picture, I think you might be looking at post icons, not thread tags.
Try this, from my good buddy @Ozzy47. Please thank him!
https://vborg.vbsupport.ru/showthrea...=302969&page=2
vBulletin Manual - Post Icons
https://www.vbulletin.com/docs/html/...con_management
A few more that might have interest for you:
https://vborg.vbsupport.ru/showthread.php?t=269382
https://vborg.vbsupport.ru/showthread.php?t=139090