Payment Logos

Hi all, I've inherited an Opencart shop I'm trying to add Card & Paypal logos to the shop but can't find where to put the code. Can anyone help? I done a few searches on the forum but don't seem to have the paths described. TIA

Version of OpenCart?

Try catalog/language/{your-language}/{extension}/payment/{your-payment-module}.php

You can modify the language file, and add an image there directly.