Looks like the editor/translator of this English version made them available in even higher quality, thankfully. They're a bit large, considering I can see a bit of jpeg artifacting (not the editor's fault). So, I'll convert them back to jpeg at the same quality to make them much smaller.
The poster is here… http://boards.barachan.org/fur/res/289.html#q2045
…and their link is here… https://drive.google.com/open?id=1XPPtxi-AB3CZUvdrFkX0XhGZ3beeJ53F