There seems to be something wrong with the attachment. I cannot find it anywhere. Could you please re-attach it? Have in mind that there is a 2MB limit for attachments. A screenshot should not exceed this limit so this should not be a problem, but its good to know such limit exists.
It would help us to have the source of the page you have problems with, along with the image. By source I mean the HTML. You can get it by clicking the right mouse button and chosing "View Source" or just "Source" depending on your browser.
If you somehow have problems with the attachment, you can always send it to