Hopefully that cleans easy!:) Just my personal opinion but if the drain was more in focus and the lighting taken down a notch or two it may have added a bit more mood to the picture. As it is, the lighting is very even and well done but not very interesting. I comment on the lighting because it is something I am constantly struggling/working on so I tend to notice it more in other pictures. If you want to see evidence of my battle with lighting take a look at my peas entry :).
Good one. Did you know what they used in the original movie for the blood? Chocolate syrup! In black and white, it sure looks just like the real thing! Good idea here too! Would have liked to have seen maybe the tip of the knife, a hint of the shower curtain....oh!... and more blood!