Qantaslink 717s with different tail logos

VH-VQA (foreground) and VH-NXI (background) seen here showing an example of how some of Qantaslinks 717s had different tail logos. Both airplanes are in the airlines 1985 livery, yet for some reason NXI had a fatter kangaroo. She wasn't alone in this, as several others had the same fat roo, while others had the traditional skinny roo. Oddly enough others actually had neither design, but those are only slightly different from VQA's so it would be harder to notice