Maybe it's the fact that so much of the iPhone 4 is made from glass, or that even putting a Bumper case on doesn't seem to keep one safe after three accidental drops, but we're thinking that Wrapsol's Ultra Drop + Scratch Protection for iPhone 4 ($30) is going to have a real hard time helping to "protect even from drop damage." But this film kit, complete with front, rear, and side film, promises just that -- you moisten it, apply it, and use an included…