WWDC 2012 Session Videos. iOS Dev Center. The iPod touch Weblog - Apple News, Tricks, and Themes. Update 2: August 17, 2011 The TechExxpert guide has been updated to fully allow Xcode 4.1 to work.
Sorry that the past fixes did not work. Thanks for the comments! Please let me know if this guide works/doesn't work. iOS Developer Library.