In order to proceed with the insertion of the Banners module, when logged in as an administrator, you have to follow this procedure:

Click Add New Module and check the Banners module.

 

There can be 3 types of Banners:
Image (the recommended dimension for these banners is 468x60 pixels)
Script
Text

Attention: Banners must be entered in the Vendors section, before beeing diplayed and managed in the Banners module.