I've just completed a site to house a new version of Age of Mythology, the boardgame. This was for my own enjoyment and not official. Here you will find some good comping techniques to make magnetic tiles that are attracted to the board. Magnets are embedded in the board and not really visible. Also nice techniques for mounting printouts behind plastic so you look through clear plastic to see image, very nice. Cards with lamination as well.
http://www.michaeldoyle.com/AoM.html
mike