craftgrrl | Seeking project advice...

So, I have a project in mind, but I'm kind of at a loss as to how to go about it. I have a couple of small, wooden tables and I thought it would be neat to jazz them up with a couple of old Scrabble boards that I have (I'm a Scrabble devotee, lol).

I've never done any decoupaging, but I'm guessing that something like a scrabble board is much too thick for mod podge to hold down, so traditional decoupage is probably out. I also imagine the board would warp instead of laying flat on the surface of the table if I painted it down with something like that.

I would like to actually use the tables, so ideally they'd be waterproof and easy to clean. If anyone has any bright ideas, I'd really appreciate it! Thank you so much. :)