From your Dashboard, go to Programs > Creatives
Within the Creatives main page, click the “+ Add Creatives” button on the right side of your screen and select the type of creatives you would like to add from the drop-down menu:
Add Text Link: Text description of a promotion, coupon, or product.
Click on “Add Text Link” in the drop-down menu. In the Edit Creative 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 drop-down menu. In the Banner Image 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.