Clone the module and enable it!
- create a category called Brands if it is not there.
- create a sub-cat or brands which will be the actual brand name.
- go to products and assign the cat to products
if you have a Magento_Catalog on your them.....
- Create block extend to the one that you want the image to be show on.. in doin that you need to have di.xml and do a preferance that replaces the core block.