You mean you can't see the "mural" on mural.ly? Because that's the original, the PNG is only a low-res screenshot... I can export a high-res screenshot if it would work better for you, but in general the mural is much better for zooming.
The mur.al link leads to an empty page with a character encoding warning for me.
I could see the image on mural.ly, but it got stuck on a certain zoom level (I'm using my android). Thanks for posting the high resolution png.