If you are in the Richmond, Kingston area over Easter you may wish to spend an hour visiting the Richmond and Twickenham P.S. Annual Exhibition in Teddington.
See
http://www.rtps.org.uk/rtps-06/main/exhibition2010.html
Close to the River Thames at Teddington Locks there are plenty of photo opportunities both upsteam towards Kingston and downstream towards Richmond.
Suggested itinerary, train to Kingston leisurly stroll downstream to Teddington locks, 1.5 miles, lunch at the Anglers Pub. Visit the exhibition, some 300 pictures. Back to the towpath, continue downstream to Richmond past Ham Fields, Ham House, Petersham Meadows.Richmond Terrace for the unbeatable views back along the Thames, Richmond Station, back home.