Rahman, from Palmers Green, north London, was filmed at the rally talking over a loudspeaker and calling for UK soldiers to be brought back from Iraq in body bags.
He said: "We want to see their blood running in the streets of Baghdad.
"We want to see the Mujahideen shoot down their planes the way we shoot down birds. We want to see their tanks burn in the way we burn their flags."
Javed, from Birmingham, was filmed by police shouting: "Bomb, bomb Denmark. Bomb, bomb USA."
Saleem, from Poplar, east London, chanted, "7/7 on its way" and "Europe, you will pay with your blood".
Finally, Abdul Muhid, 24, said to be the leader of the demonstration, chanted "Bomb, bomb the UK" and waved placards with slogans such as "Annihilate those who insult Islam".
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