You can customize Advertisers/Shop list shortcodes (grid or alphabet).
Copy
templates/cashback-shops-grid.php and/or templates/cashback-shops-alphabet.php to yourtheme/cashback-shops-grid.php and/or yourtheme/cashback-shops-alphabet.php
templates/cashback-shops-grid.php
templates/cashback-shops-alphabet.php
yourtheme/cashback-shops-grid.php
yourtheme/cashback-shops-alphabet.php