To add new banners go to the tab Modules -> Modules and Services -> Installed modules, then find the "AT - Banners" and click the "Configure" button.
Or use link in module "AT - 1. Fast configuration of modules".
To remove the old banners click on the arrow at the edit buton and select "Delete item".
To add a new banner click on the "Add item" button.
In the "Hook" field, select the place where you want to add a banner.
In the "Image" field, select the banner you want to add.
Other fields are optional.
When you finish click on "Save".
The screens below are marked for places where you can add banners.