My Keira Knightley fan site has a puzzle, using the letters of her surname:
http://www.keiraweb.com/sudoku.html [ broken link ]
It's just a bit of fun for the fans, but if I should be adding anything legal like copyright information, please let me know !
I've had two successful replies so far - one said it was easier than expected, the other said it took him 'several hours'.
Paul