I'd like to include attachments I've uploaded in the body of a post. However, when I attempt to add an URL such as
http://hypography.com/forums/attachm...tachmentid=413 within IMG tags, I get this:

, which looks just like a URL withing URL tags.
When I use an URL that has a recognizable graphics file extension, such as
http://hypography.com/forums/images/.../logo_hypo.gif, I get the expected and desired image, this:
I’ve seen examples of images inserted neatly in posts, but don’t recall any that were to hypography attachments. Is this possible, or is there another technique I can use to get the effect I desire (other than uploading them as .gif etc. files on another web server)?
Any help would be appreciated.