How to improve my appearance as a commercial model?

I have sent some temporary digitals to my agency, because I got a new haircut. Professional photos will be taken later and replace these. I am only a commercial model. (I am planning to fix my shoulder tattoo in the near future)

My reason for making this post, is because I want to work on my appearance and listen to anyone who has advice on what I can do to improve my look?
If it’s relevant, i am only 170cm tall.

Thank you for your time!