Pierre experienced what many users would have considered as a nightmare, dropping his iPhone 3G and see the glass screen in pieces after the shock:
Knowing the cost of a repair operation by Apple Care, he decided to do it himself. He posted on our forum the entire procedure (in French, but nevertheless, easily understandable thanks to numerous photos):
http://forum.macbidouille.com/index.php?showtopic=279698
Such procedure applies ONLY to the iPhone 3G, as the iPhone 1G had the LCD and the glass screen glued together.
[translation by Linathael]