Eat this!

http://www.filz.us/view/abcdf650-d03/

Note: I know bg is gay but this is the best i can do :m

Hey there.. that background SUCKS. hehe just kidding.. :P
C&C (for improvement)
Soo, the blood.. this needs some work. First of, the blood probably won't splash out of his backhead from a knife like this.. you should add way more frames to the blood.. like this:
Frame1: Impact blood (just a bit of blood)
Frame2: Splash blood (alot of blood)
Frame3-12: Blood fading out + physics (double framing)

Basicly this: http://www.youtube.com/watch?v=nueIOUHJ2nk

Oh and you should add more movement to both stick guys for more realism.. think about it in your head how it would look to trow something and rebuild this scene in flash with your stick or watch preferences..
Just practice alot and you'll get the hang ;)

It seemed as if the blood grew in size, also add some shine and shadows to it to make it look liquidy. Needs some work and the timing, more frames. Another thing is add gravity, it should fall as it comes out. Other than that, you got the basic concept of direction down.

The colours of the blood should also not be magenta and bright red, but maroon and dark reds.
If you wanted little bits of skin and flesh, try taking actual meat for reference