Notice: You MUST be logged-in and have a subscription to download or even see the little paperclip for attachments. The subscription fee is minimal and helps us keep the site running adequately for everyone.
To Upload files: Use "Additional Options" when you reply to a post or create a new topic. It should appear right above your "Post", "Preview", and "Spell Check" buttons when you're typing something in the forums.
Here is an example of an uploaded file, you should see it at the bottom of my post (normally the big arrow isn't there, it's for demonstration purposes only):