How to use Image for ranndom Verification Questions

[minimono]

How to use Image for random Verification Questions
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OR same this web board http://www.thaiseoboard.com/index.php?action=register
/index.php?action=verificationcode;rand=d57c82f50d0473711cafbbc91b79bff2
/index.php?action=verificationcode;rand=6ccdc4ef2ff9823f770f9845e898597a
...
my SMF 2.0.15 | PHP 7.1.33

[GL700Wing]

You can use the Image for Anti-Spam Verification Questions mod.

[minimono]

You can use the Image for Anti-Spam Verification Questions mod.

This mod use single image for random Questions.

i want random image1,2,3,... for Question.

[GL700Wing]

You can use the Image for Anti-Spam Verification Questions mod.

This mod use single image for random Questions.

i want random image1,2,3,... for Question.

I'm not sure what you want is feasible as it would be technically very difficult to design and implement.

[Sir Osis of Liver]

The mod is very effective as is.  Just make your own image, so it and questions are unique.