Now you just need to add a bit of code so your image knows how big it should be in the area it has to work with. Add width="100%" after the image address and the quotation mark, but before the forward slash and closing bracket.
octothorpe, it seems like your image was too large for mecha's layout so while it shows up, it gets clipped. If you don't want to add the width=100% in the code maybe you can scale it down before uploading to imgur?