Oriku needed a new t-shirt design and created a contest on 99designs.
A winner was selected from 116 designs submitted by 25 freelance designers.
The people who play minecraft themselves would be the ones who would be the most creative here :) If you haven't played it yet, I'd recommend checking it out!
Some examples of other people's designs:
Link to minecraft game:
Most importantly! Have fun while making the t-shirts!
We saved a spot for your t-shirt contest.