Below are some useful links and UK based educational sites as well as a selection of shareware sites to check out mediaCam and other great software packages.
General
Thawte CertificateNorton AntiVirus Software
Microsoft Windows Installer
Microsoft DirectX Download site
Microsoft Windows Media Video 9 VCM
Macromedia Flash plugin
Education
BectaCurriculum Online
Department for education and skills
National learning network
SchoolZone
Teacher Resource Exchange
TES
The Parent Centre