Ah, so looking at your other models on that account, you have made this:
http://sketchup.google.com/3dwarehouse/details?mid=20d9b3ab97d098eacf74bf5a41390a39
Correct?
And this?
http://sketchup.google.com/3dwarehouse/details?mid=abad923843795f81ae853d6fefe2b23a