New Camera, Motorsport photos, advice please?

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Hi,

I'm still very new here!

I upgraded to a 7D last week from my 400D..

I asked for shooting advice in the Canon section and only received a couple of replies..

Just a few hours with this camera...

Here are some of my results...

Any tips would be very welcome..

I have not edited any of them yet..

Regards
Simon

 

[imagesliveon]

Sorry had the fence to contend with!!

 

[imagesliveon]

Anyone?!