On DZone.com today John Esposito points out two CodeIgniter tutorials that can help you on your way to becoming a pro with this popular PHP framework.
As Codeigniter builds on its (already considerable) popularity, now might be a good time to think about using the massively community-supported PHP framework to its maximum potential, if you aren't already. Here are two tutorials to check out, depending on your level of familiarity with object-oriented PHP and frameworks.
Here's the two he mentions:
The second tutorial is a little older, but the functionality of the framework hasn't changed dramatically since then so most of it should still apply.