Here are some videos you may find useful.
Theory test
The official DVSA guide to passing your theory test - both the multiple-choice and hazard perception parts
Show and Tell
How to check your cars oil level
DVSA show me, tell me - inside the car : driving test questions
Outside the car : driving test questions
How to check your type for correct pressure and tread
Checking your handbrake
Checking the level of fluids in you car
Brakes, lights, indicators and horn checks
Hazard perception
Trailer for the only official fully interactive hazard perception DVD for all drivers and motorcyclists. Buy it at http://www.tsoshop.co.uk/bookstore.asp?FO=1207773&DI=588199
Practical test
Official DVSA to guide to what happens during the driving test and what it takes to pass it - including the eyesight test, 'show me, tell me' questions, reversing exercises, and independent driving parts of the test.
Other stuff
'The Honest Truth' road safety charity is working to reduce the number of people killed or seriously injured on the roads. Find out more by visiting http://www.thehonesttruth.co.uk/ and following us on Twitter and Facebook