What to eat in a college cafeteria when you don't have a big appetite?

Hello! I have a pretty small appetite, and i like to have a wide variety in my meals. So, i want to know from people who have already been in a college cafeteria, what to do to enjoy your meals and not being stuck in the "dark age" when you don't want to eat anything else. Also, how to NOT get fat, and how to get the best out of the "all-you-can-eat" meal plan. I know there may be many variables, but i hope i can get some good tips here. Thank you!