I need some free video clips of nature

@pitstop (13054)
India
May 17, 2008 1:51pm CST
Is there some site where I can get free video clips of nature - rains, rivers, sea, waterfall, sky etc etc. I'm not talking about pictures - I'm talking about short video clips in the WMV or AVI format. Do let me know - I googled a lot but none were free or good.
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