Digital Whale Paper Art

I've been trying to practice the paper art technique in Procreate because I have an idea for a series. I haven't decided yet what I want to focus on, but I'd like to do ten to twelve little pieces of art in this style. I feel happier with these pieces, I think that they're starting to look more three dimensional. I downloaded some new brushes to make them look more like paper (which is also very exciting!). 

I'm very pleased with the digital paper whale art. I especially love the background with the layers of sea life that give the implication of an ocean. If you're following these pieces, what's a subject that you'd like to see done in this style? Let me know in the comments!