The compositional element of your still life work is an absolutely crucial part of ensuring that your work is engaging and unique. Consider the rule of thirds, how can that be applied to your shoot to create a strong composition. Ensure there are no distractions within the frame, just the subject and the backdrop.
Be sure to vary the composition of the subject matter through the shoot and think outside the box. Where are you leading the eye within the image? Are you utilizing negative space or might it work to try and fill the frame? Engage with the subject, what are its defining features? What is it used for? Are you able to put it into context or does it work as a stand alone subject?