From your Dashboard, go to Programs > Creatives
Within the Creatives main page, click the “+ Add Creatives” button of the bottom of page screen and select the type of creatives you would like to add:
Add Text Link: Text description of a promotion, coupon, or product.
Click on “Add Text Link”. In the Create Text Link window, select the desired campaign using the drop-down menu, then type in your promo text in the description box and click “Save.”
Add Banner: Banner images.
Click on “Add Banner”. In the Create Banner window, select the desired campaign, browse and select your banner file, and enter the image details. Once finished, click “Upload.”
Bulk Import: Import multiple banners at a time. Learn more here.