This looks like the stuff I made when I was your age Just keep working at it. Refine, refine, refine. Also, finding tutorials on the net will probably help you out a bunch if you want to get better. A lot of the portfolio's on this site have tutorials with them so they're always a good place to start when you're looking…
@marcstigall I see! If you want to go for an "departing on an adventure/ preparing for the unknown" feel, it could be helpful to search for references regarding the shot, play around with different camera angles. Maybe additional items to indicate preparation to face the outside (armor, bag, ...). Defining a specific…