While the title of this website might be a little misleading, they have an interesting section for storytelling. With over 250 pages in this section, they cover a range of topics that writers think about and try to improve. Here's the list:
I was geared to this website while listening to a Harry Potter podcast (yes there are HP podcast. You have to check them out.). They were talking about the folk lore of the Harry Potter and mentioned a man names Vladimir Propp who analyzed many folk tales and identified common themes within them. That page can be found here. I started reading it and then went looking at the section of this website. There are some nice tips there you can take away from.
Check it out for yourself: http://changingminds.org/disciplines/storytelling/storytelling.htm.
Welcome to the archived section "For Writers". Here you will find a collection of all previous posts written. So, if you're afraid you missed something, no worries. It's listed here for you anytime.