Make BookFunnel look good?

So I’m bundling together some freebies for 2 different groups (those who buy the book, those who heard me on a podcast and are interested in the subject).

But my offers aren’t “books,” they are art prints to download, audio sleep meditations, prayer cards, and other non-book offers. Thus, in the BookFunnel image (which is sized for/optimized for books- a rectangle) my images look awful. I’m thinking of using BF ONLY for the ebook sample and audio meditation, and having all printed material from my much more attractive website.

Does anyone have experience with tweaking BookFunnel to make the landing page for bundles look better?
Tia,
Laurie