Please use the onboard attachment facility, you fill find this when you start a new thread or reply to a thread, its below the box you type in called..
click on that, and you will be able to upload the following files off your desktop (Attach Files
Valid file extensions: mp3 ogg rm wav wma)
PLEASE TRY NOT TO USE .. zshare, mediafire, yousendit, rapidshare etc. .. as sometimes these sites can cause problems, and people may ignore your id.