To create an offer within your Profit Center, click on the 'Resources' tab from the top navigation. Click on the 'Profit Center' tab. Click the 'Edit Your Profit Center Offers' button.
From the Edit Offer popup
1) Enter the full URL/link the offer is going to. When your offer is clicked on, this will be the website the visitor is directed to.
2) Upload an image approximately 400 x 400. This will be the graphic/banner that will display on your referrals' Profit Centers.
3) Enter a brief description of the offer (Max 140 characters).