Ok, I know nothing about Alabama so I can't help you there. But the rest I can do. First, you need to set the date and time with your fiance and talk about what you want. Also, you need to tell your parents what your plans are and ask how they would feel if they didn't get to come but his...
First off, rings are not necessary for a wedding. The ring is symbolic of your commitment to each other. As for the physical, call the town hall. Every state has there own rules. For example. Connecticut(where I got married) does not require a physical before you get the marriage license...