I'm going to give you $20 worth of plants for free. And it's really simple. When you go to make a purchase on Dustin's Fishtanks all you need to do is add the following line to the comments box located on the cart page.
I was on the PT101 webinar, give me the $20 worth of FREE Plants
This is the bottom slider area. You can edit this text and also insert any element here. This is a good place if you want to put an opt-in form or a scarcity countdown.