Hi, I've searched every place I can think of the get the shell that is in this pic  http://www.renderosity.com/mod/gallery/index.php?image_id=2089154&user_id=454787&member&np
Hope it's ok to link this image :)

I haven't come up with anything yet, so if anybody has an idea where it can be found I'd be glad to hear it...

Thanks
Bez