Here is a guide updated by Chris Williams on configuring a Garmin 76CSx for flying: 76CSx Guide
It is adapted from a guide made by Brett Hardin for a Garmin 76S: 76S Guide

This is Richard Bungay's powerpoint presentation on Meteorology (v2009)

Here are Graham Taylor's three sets of notes for the Pilot Exam and Advanced Pilot Airlaw notes (these are also applicable to P exam and are more up to date than the Airlaw section):

Advanced Pilot Airlaw

Airlaw

Meteorology

Flight Theory and Instruments

1:500,000 CAA Chart Legend

1:250,000 CAA Chart Legend

UK ATS Airspace Classifications (good summary of VFR/IFR requirements in different airspace classes)