Here are a nice set of triathlon videos by Helen and Marc Jenkins:
- Bike tips: http://www.youtube.com/watch?v=Oe4-_jEoGOQ
- Bike to Run: http://www.youtube.com/watch?v=FeYqGySUgRc
- Change A Tyre: http://www.youtube.com/watch?v=WindOddt_u8
- Deep water: http://www.youtube.com/watch?v=jfBDtn7ruRA
- Goggles on back: http://www.youtube.com/watch?v=LnAj89jMvhA
- How to sight: http://www.youtube.com/watch?v=Nd02kwbaN8k
- Open Water: http://www.youtube.com/watch?v=miUFVYdoc_k
- Pre Race Bike check: http://www.youtube.com/watch?v=RG8Y7X-boNo
- Put wetsuit on: http://www.youtube.com/watch?v=ogpewWszmeI
- Race Prep: http://www.youtube.com/watch?v=8hbK8NlaEvU
- Run Tips: http://www.youtube.com/watch?v=R-W38oQW2ok
- Swim to Bike: http://www.youtube.com/watch?v=d4KkovvxUiE
- Tri basics: http://www.youtube.com/watch?v=nY8UGR0srZU