If you also can make great fan-art like this then you definitely should take a look at the Summer Glau Wiki Calendar 2013 project
If you are a beginner remember that even with no experience in working with graphic manipulation softwares one can still create a master piece. Only our imagination sets the boundaries. There is a lot of good tutorials and ideas that can be found with help of google.
This year the deadline will be the first of June, but don't wait until it is too late with your submission. If you already are working on something let us know so we can give you advice and feedback.