Syncing Pictures from IOS to computer - iOS: Importing personal photos and videos from iOS devices to your computer
Syncing Photo's using iTunes - http://support.apple.com/kb/HT4236.
Also there is a great web site that has all the video tutorials for iTunes - http://support.apple.com/videos#itunes.
If you have an Apple computer, this one is specific to your question. Your iPhone is recognized as a camera - http://support.apple.com/kb/VI186?viewlocale=en_US.