You can use files host site , then just copy and paste the URL
onto your thread.
Like this...
http://www.mediafire.com/download.php?7e4bjyam2o5
or sign up to Rc-sim..that's where people upload
their models and sceneries.
or if it's a heli..you can submit your files to helimaniacs.de
Martian will host it for ya.