You have a high enough post count to be able to insert images into your text. What you cannot do is "Attachments". Try checking the Tech Board FAQs for answers. Here's a shortcut to a post that walks you thru the steps: http://disboards.com/showthread.php?s=&postid=4886029#post4886029
You can also using a photo-hosting website like Photobucket . Create an account, upload your photo to it and then copy the web address of the image (the address that begins [URL ]). Paste that into the text of your message and the picture should show up in your post. To make sure that you've done it right, click the "Preview Post" button first before hitting "Submit".
This is what I do...
Go to wdwinfo.com then community photos.. Then upload your own pictures. When done, go to 'my gallery' all your pictures will be there... Then left click on the picture you want to insert in a post. When it's the big picture, right click on that pic and go to properties. copy the address (URL) exactly.
Then when you want to post the picture, type