You'll also need a better texture set and lighting.  To keep with the bagginsbill theme that's forming here, you could check out his Soft Studio Lighting tutorial scene.  It's available here:

http://sites.google.com/site/bagginsbill/free-stuff/tutorial-scenes

And be patient. It won't be long until you'll be rendering like the pro's.  And keep posting questions here at the forum.  It's a quick way to get help.

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