Work on your creative outlets.
Paint. Take art classes at a comm college or rec center at night.
Philly has lots of opportunites for an artist to learn.
When you have been at your job long enough to get promoted to management, they might actually pay for you to go to night school. Talk to your supervisor and let him or her know that you have ambitions beyond an entry-level job.
Make your job work for you financially NOW so you can pursue your hobbies and talents LATER.