perhaps Iocaine [1] is what you're looking for. See the demo page [2] for what it serves to AI crawlers.

1. https://iocaine.madhouse-project.org/

2. https://poison.madhouse-project.org/

This site blocked me right away, seems quite agressive

For images you have stuff like https://nightshade.cs.uchicago.edu/whatis.html