Since the first snapshots of 1.8 were being released and the new skin personalization options were added, the legs seemed to be off center.
There's not much to explain, I'll add 2 screenshots as a reference to my statement.
Environment
OS: Windows XP, 5.1.2600 Service Pack 3, 32-bit, x86
Video Card: AMD Radeon HD 6570 GPU (Asus EAH6570 Series Video Card)
CPU: Celeron D 346 (3.06 GHz, 533 FSB, revG1, LGA775) (Single Core)
RAM: 3,072.00 MB DDR2
Java: Version 1.7.0_51
JVM Arguments: -Xmx1G - Xms1G
Sadly, WAI. MC-42