The whole series of those pictures was posted here quite awhile ago, many times I believe. I remember them cause hunting for them is what lead me here a year ago and to become a member.
Here's links to the various threads they are posted in already:
https://forum.oneclickchicks.com/show...hlight=posture
https://forum.oneclickchicks.com/show...hlight=posture
https://forum.oneclickchicks.com/show...hlight=posture
https://forum.oneclickchicks.com/showthread.php?t=1679