By default, it’s possible to change the dimensions of each image's type in Prestashop's Backoffice.
Follow these steps to find all different images’ types.
* PrestaShop 1.6: Preferences -> Images
* PrestaShop 1.7: Improve -> Design -> Image Settings
When Carts Guru plugin is installed, you can easily change the default image type that will be sent to Carts Guru.
1. You will have to connect to your database.
2. Open the table named ‘configuration’.
3. Change the property of ‘CARTSG_IMAGE_TYPE’ to the proper image type that you want Carts Guru to receive.
4. Once this is done, Carts Guru will receive the proper type that you set up.