What type of cord do I need to hook up my Mac laptop to my Westinghouse TV?

I have a 2 year old Aluminum Macbook and a new 42" Westinghouse LCD TV. I have transferred hundreds of my movies to my computer/external hard drive (I travel a lot and like watching my own movies on the plane). I would like to be able to play the movies from my computer on my TV so i do not have to have a book... show more I have a 2 year old Aluminum Macbook and a new 42" Westinghouse LCD TV. I have transferred hundreds of my movies to my computer/external hard drive (I travel a lot and like watching my own movies on the plane). I would like to be able to play the movies from my computer on my TV so i do not have to have a book shelf full of DVD's in my living room. I tried to use a USB file share cable but that did not work. Any ideas would be greatly appreciated! Thanks
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