I think on the XTi there's a focus mode called AI Servo or something like that. Use it. What it does is it gets one thing in focus then follows it with the focus.
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-When confronted by a difficult problem, you can solve it more easily by reducing it to the question, "How would the Lone Ranger handle this?"
-I'm a vessel of useless information; just ask my wife.
-Critiques and editing of my pics for DPS always welcome-
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