This blog has linked up to How to Make iPhone Apps along with 99 other free iPhone app development resources. There are some good tutorials here.

From their blog:

Unless you’ve been living under a rock, you know that the iPhone is a big deal and it’s one of the most popular subjects of development these days. Lots of developers are creating their own iPhone apps, and with the right know-how, you can too. Check out our list of courses and tutorials to learn everything that’s important about developing for the iPhone.

See the complete list of resources here: 100 Free Courses & Tutorials for Aspiring iPhone App Developers

Quick start guide that teaches anyone how to earn money by developing and selling their own iPhone Apps. http://www.MyPhoneAppRiches.com