I have created a Pokemon Picross Game (well most of them are pokemon), that allows to play many pokemon puzzles, and also to print them (you can play with Paint or with pencils too).
This is the direct link to the game:http://www.mediafire.com/?x2fj93ri9avn1da
If you want to know more, you can go on my website:https://sites.google.com/site/feoden90/home/picross-en/puzzle-list
Here you can find a complete description of the game:http://www.rpgrevolution.com/forums/index.php?showtopic=55147&st=0&gopid=578605&#entry578605
some spoiler about the game: