User blog comment:Kirkburn/Technical Update: April 2, 2013/@comment-3335785-20130402231204/@comment-5275700-20130402232026

Nope, no foolin'. To be more specific, the reports have all been for the initial upload of an image. We have also documented some similar cases related to updating an image or reuse of the file name, but the basic description of the issue is the image not displaying at all, rather than displaying improperly.