well first of all do you have WinRaR? if you do, open the folder, dont save.then you'll get new window, and you'll see a folder name "adv duplicator" open it, and you'll see 2 folders, data and lua, highlight those and open your gmod folder at :\Program Files\Steam\steamapps\yoursteamname\garrysmod\garrysmod and put them in there, you'll get a thing saying do you want to overwrite? say yes to all, and your done. load up gmod, hold q and scroll down a bit and you'll see Adv Duplicator, and say open folder and you can save stuff, like posed guys in there and save.