When you upload the attached picture, you can easily click on Preview Post, then click on the attached picture in the post preview to open it in a new window. Once that's done, copy the link in the newly opened window, then go back to whatever post you plan on putting it and open the
Insert Image box. (use this icon=>
)
When the pop-up comes up, paste the link of the image in the address line, then click on OK. The link will be surrounded in [IMG] tags, but once posted, the expanded picture will show up.
