I was lucky enough to participate in a 3 hour boat trip of the River Thames from Chelsea to Canary Wharf a few weeks ago and the weather was kind enough to stay upstairs in the open air for these snaps. Quite a bit of "cropping" done to remove peoples' heads !
Towards Blackfriars Bridge with St Pauls, City, OXO Tower and South Bank Tower on right
Canary Wharf
St Katharines Dock looking upstream to The Shard, Tower Bridge and The City
Tower of Lomdon with Walkie Talkie, Cheese Grater and Gherkin behind
St George Wharf Tower at Vauxhall and City in background
Westminster Bridge, London eye and old GLC County Hall (now Sea World and Shrek Museum!)