Jigglebones problem

[kar-re]

Hi, i just made an TF2 hat and wanted to add jigglebones. So i added the bones and such and added the script in the qc but it looks horribly distorted. It works the model itself but when i add it to the spy it just freak out. here is a picture of the model :
[IMG]http://u.snelhest.org/i/2010/08/04_722.png[/IMG]
and this is on the spy :
[IMG]http://u.snelhest.org/i/2010/08/04_519.png[/IMG]

Thanks in advance.