There's no complete beginners section as of yet but there are a ton of help threads to help you along.
Video Tutorials:
Pixtus.com - Search Results
Index of Helpful Threads:
FAQ for New TPF Members
I highly recommend this book for beginner photogs. It thoroughly explains all of the attributes in regards to photography... its loaded with sample photos which makes it much easier to comprehend:
Understanding Exposure
hope that helps... also feel free to ask any questions that you may have as there are tons of experienced photographers here willing to help including myself.
Thanks