I know there is no trick to it

. I have just heard this type of thing referred to as "trick photography". I was wanting to know if any body has tried this and what they have done. What kind of ideas people have. I am sure that most people have done the city streets with cars going by, but this fire shot I think tops that. just wanting to see what else people have done and tried.
Nick
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Canon Rebel XTI, Tamron 70-300mm w/180-300 macro AF, Canon 18-55mm,Canon 50mm F1.8, Sandisk ExtremeIII 2gig.
Nikon N2020.
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