I know how to operate and change the image in an ImageLabel, however what are the in-built functions to access a player's character's image/face.
There are no in built functions, I believe, but you can set them like this:
local fullimage = "http://www.roblox.com/Thumbs/Avatar.ashx?x=100&y=100&Format=Png&username=" ..PlayerName local headshot = "http://www.roblox.com/headshot-thumbnail/json?userId=" ..UserId.. "&width=180&height=180"