Single point lower offs? Waht to do with Monster hooks? This website has some tips.

CWI Training

Please read the belaying lemons article as it has some great ideas of how to avoid potential problems with groups.
Here is a website for knots

Download the syllabus and handbook here.

Simple slab rescue indoors

A good article by the New York Times about the dangers of static stretching before activities

CWDI Training

Attached are the course notes and some other very useful BMC pdf's. I would recommend reading the AALS belaying lemons as it is the best way to view peer belaying and AALA's belaying notes for inspectors The BMCtechcon 2006 is pretty full on and the info in there can be translated into the following articles on the bmc's website.

http://www.thebmc.co.uk/rope-markings-explained

http://www.thebmc.co.uk/climb-skills-ropes-belay-devices

Video of Steve Mclure teaching lead belaying with a gri gri.
http://www.dailymotion.com/video/x50vsu_grigri-belaying-the-leader_sport

Download the syllabus and handbook here.

Training course notes