Apple has released an iPhone firmware update in iTunes (version 2.2.1) which gives “improved general stability of Safari” and
a fix for your saved images that don’t show up in the Camera roll.
For those who took advantage to unlock your iPhone 3G with the iPhone Dev Teams “yellowsn0w” software … they have put out a video that gives directions on what do so your phone will still operate correctly:
http://qik.com/swfs/qikPlayer4.swf
[iphoneinCanada and EngadgetMobile]