Well, it's a serviceable treatment of your photo for the purpose of illustrating a concept. You had a great set up with Ripley not looking very confident in the reliability of the MT and Jones performing a much better job at detecting the Alien. Wow. It's just a fantastic little narrative you got happening there. Such simple placement of the figures and yet such a powerful sense of unknown outcome. Will Ripley turn in time to use the flame thrower once she's aware of why Jones is arching his back? ...or will the Alien take her as its next victim..? Interpreting the next couple of seconds is where the real strength of the image lies. This confrontation could go either way.
All I've really done is tone down the presence of the the Alien and I think I've been a little too heavy handed with the contrast. The Alien always looks so cool when you can just discern its form in the darkness, when its surfaces are highlighted so can just pick out the shape against a black background. The Alien is often most powerful when we see little of it. It's one of Scott's philosophies that makes its presence in the first movie so enthralling.
Anyway, love your work. This was too irresistible to ignore to demonstrate how sometimes less is more.
-Windebieste.