I made a quick example file for you, just to give you an idea. I identified the objects as to what their properties are, like collider or rigid body, just copy the tags and add them to your scene. Make sure your animation is back to the beginning before copying the tags.Here's the file download:
http://www.grafxexchangeportal.com/uploads/rigid_body_collider.rar
Hope this helped some:
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If you have any questions please feel free to email me here:
thomas@grafxexchangeportal.com