I just saw this today, and tried to gave it a solid shot.
I also tried to make it as brandable as possible.
Click to resize. Also it can be tweaked by me if needed with no extra charge (adding something, changing style, color scheme, contrast, shadows, and so on whatever you like).
I have it in higher resolution in the original file to ensure it will be suitable for printing as well. The original one is 2 x larger and 300dpi and I can resize it if need even more.
Embedded into design would look something like this:
I was also thinking about adding as background something reminding the board, I could add this as well if needed.
Anyway, good luck with the contest.
