there was a "too big image" reported a few days back, I can give you one too big image too
http://www.hiveworkshop.com/forums/warcraft-editing-tools-277/new-tesh-syntax-highlighter-warcraft-3-a-246081/index21.html#post2652464 the image is attached to the post, and even if you open the attachment full-scaled, it is correct(exactly fitting my screen), but when viewed from the forum as
the image is slightly bigger, no longer fitting into the screen