Here's a fun Alien inspired piece of cartoon style fan art created by Evgeny Schmidt(Otto Schmidt, Russia). It features Ripley, her cat Jonsey, and a friendly Xenomorph. artist noteit's not Sigourney Weaver. It's a character Mikka
At the back of the dining room area you could put a wall-to-wall bookcase filled with books. If you don't have that many books you can have a display bookcase where you place nick backs, a few books, some magazine, sculptures etc.