This image of a happy piss pig (Ian Greene) having a drink was posted by @Just966 earlier in the thread ...
https://www.lucasraunch.com/content/movies/LRS180/gallery/LRS180_Ian_Greene_Jeffrey_Lloyd_Michael_Lucas_04.jpg
… but there's this other great shot of him begging for more ...
https://www.lucasraunch.com/content/movies/LRS180/gallery/LRS180_Ian_Greene_Jeffrey_Lloyd_Michael_Lucas_06.jpg
… and this one demonstrating proper technique for a boy who wants to swallow as much as he can right from the faucet …
https://www.lucasraunch.com/content/movies/LRS180/gallery/LRS180_Ian_Greene_Jeffrey_Lloyd_Michael_Lucas_05.jpg