Yeah...... all you have to do is go to the panel underneath the thumbnail of your image and the little thumbnails of the other gallery entries.
ie: this panel -
Add to Favorites · Post a Comment · Report Photo · Receive Email Updates · Edit Photo
Click on the Edit Photo and it'll ask you to rebsubmit the image you want. After editing it, you'll have to wait for it to be moderated again but after that it'll be fine.