Hi, I think that should be even easier that what I described. If you want the same banner to appear on every collections page, the collection-template.liquid file can be edited to include it. You can either make the banner an image and include a link...

I wanted to share a trick I came up with to add banners in between products on a collection page. I wasn't able to find how to do it elsewhere so I thought it might be helpful to others.  I've used it to break up a products page by putting up banners...