This has been created before but not exactly with the same concept and the thread had died. Got permission from the thread-maker to create a new one.
You can C&C other’s posts but please do not directly insult the posing or the maker.
Basically, you post an image from anywhere that the person below has to pose in Garry’s Mod and also pose the image above you. Make sure the image is actually possible to pose in Garry’s Mod.
Image for person below to pose: