You can tie up your hair for a change to look different. Try different kinds of pony tail, bun up, twist and clip. You may try to color or highlight your hair to improve overall hairstyle.
If short hair matches your look, then it is great to stay with short hair. Try many short hair styles and you will not get bored. It is very easy to maintain, just trim the sides and back every few months to stay in shape. Shampoo, condition and treat your hair often. Try various kind of hair bands and clip to for extra style once in a while.
You may try to colour or highlight few strands to stay cool and up to date.
You like curls? Try the easy ones; go for soft perm with latest technique.
No need hair sprays or thick gels to stand your curls. Try soft perm at the hair ends, let your hairstylist know your requirements, so he or she will do something which you can still maintain your curls easily everyday without combing the ends.
Use a good shampoo and conditioner plus weekly hair masque to treat and repair your hair condition from exposure to changing weather.