You gotta enter a message first..
Then click the "Add an Attachment" button.
From there you choose "Browse" and select a picture and give it a description if you like.. then Click the "Add Attachment" button beside the File Comment text area.
It will upload you pic, and then give you options to "Add an Attachment" or see what attached images you've uploaded by choosing "Posted Attachments"
[attachment deleted by admin]