In all honesty my first impression was that the curve of the hose is too thick. Maybe it could be just a little thinner. Nevertheless, it's really a great concept illustration.
Would you happen to work for a company that works with graphics, gaming, or movies? If so I'm curious as to what, beucase I'd defiently consider hiring you if I had one capable of paying your bills...
Also, I looked at the rest of your gallery, and so far I really like all I've seen and I'm looking out for what else might come out. +watch