Picture your finished custom wordpress theme live on your server, completely unique and fresh. By the time you have finished reading the resources in this post that scenario will be a reality. People love custom themes, they make a blog come to life with a personality of its own. It’s no secret that they’ll reward it you for it through links, subscriptions and bookmarks.
Theme Design Lessons
Good walk through in detail on creation of themes.
This flash tutorial shows how to turn any web page into a wordpress theme. The flash movie is pretty distorted but gives a good idea of what can be achieved.
Covers all bases in detail, really comprehensive lessons on all aspects of Wordpress theme creation from header to footer!