Branching out as an Illustrator
Suddenly, I was able to use my skills from drawing comics and scientific illustration, mix them up and apply them to a completely different field.
Someone browsing your portfolio looking for a cover illustration, or even just something similar, like a book cover, postcard, flyer - they might not make the connection between "just" illustrations or sketches and an actual product. Giving concrete examples nudges them into seeing what could be the result of a collaboration, no matter the art style they had in mind.
This doesn't mean that you should limit yourself in your art. Draw what you want, but present it as part of a larger story. Practice, sketch, try, fail, and then create pieces that show possibilities.
After that rambly piece of advice (?), let's look at some drawing process shots!