BBC.co.uk
Local weather cams.
http://www.bbc.co.uk/london/weather/

BBC.co.uk
London traffic cams.
http://www.bbc.co.uk/london/travel/jamcams/index.shtml

Derelict London
Pictures of a side of London that tourists don't usually see.
http://www.derelictlondon.com/derelict_london_com.htm

Explore London
Contains over 200 images of London, complete with descriptions and Web links.
http://www.explore-london.co.uk/

Explore London
Features links to dozens of webcams in popular locations around the city.
http://www.explore-london.co.uk/webcams.html

The Sepia Views Collection
Pictures of London street scenes from yesteryear.
http://www.sepiaviews.co.uk/

Urban 75.com
Contains pages and pages of London snaps.
http://www.urban75.org/photos/london/

Visit Britain
An online image library.
http://www3.visitbritain.com/uk/presscentre/image_library/london.htm