KAM Sports - Martial Arts Suppliers and info on the Garden State Games
General Taekwondo Information - Information on the various styles, history and information on techniques and ethical background. There's also a section with Korean terms that includes sound.
World Taekwondo Federation
Taekwondo Terminology - at UPENN's WTF Taekwondo Club
Carbon Echo Martial Arts Videos - has basic techniques, forms, self defense and properly tying your belt in Real Video and Quicktime formats