Protection foil advice

[Peter Smekal]

Hi folks,
a local store sells Crocfol's LCD-monitor protection foil for the *istD.
However, in order to adjust it on the display you have to dip the foil into
water. Would you recommend to do that? Couldn't some of the water on the
foil penetrate into the camera at the edge of the monitor?
Is this kind of display protection useful at all?
Peter