[Mecha the Slag]

either you

A) are not running TF2
B) dropped the files in the wrong directory
C) are running sv_pure and didn't add the files to the whitelist

I don't think there's any other reason why it wouldn't work; keep in mind its only happening to you and no-one else so something is wrong in your configuration. Please make sure that you didn't do any of the above (check it, don't just assume that pure is off because your config says it is). If you didn't do any of the above then I can't help you; but it's definitely unrelated to the plugin and models.