Here is a list of websites that provide genuinely intersting information on a variety of topics surrounding the River Thames.
Port of London Authority: http://www.portoflondon.co.uk/
British Waterways (not technically the Thames, but oversee the connecting waterways): http://www.britishwaterways.co.uk/home/index.html
Watercape – part of British Waterways: http://www.waterscape.com/
Environment Agency: http://www.environment-agency.gov.uk/regions/thames/
The River Thames Guide: http://www.riverthames.co.uk/
Movie clips from Filming on the River Thames: http://www.livettslaunches.co.uk/page/2.57.html
The River Thames Society: http://www.riverthamessociety.org.uk/index.htm
Where Thames Smooth Waters Glide: http://thames.me.uk/index.htm
What the Thames was like in the Bronze Age: http://www.channel4.com/history/microsites/T/timeteam/snapshot_bronze.html
Conciege Thames Bridges Videos: http://video.concierge.com/?fr_story=1013f8b6bfae204f300fc98bf2ba87feec125b4f&rf=sitemap
Discover the River Thames: http://www.visitthames.co.uk/
Please let me know if you would like your link here.