"Like shootin' zombies in a tunnel."

I just got photoshop so I decided to try my best at toying around with it. I used no tutorials so no doubt it isn’t the best so if you’re a helpful person, then note some of my problems and give me something (ie a link or video or website) that can help me with said problem.

Also I realized I didn’t add any DoF as of typing this. Oh well for now.
Anyway heres my pictures.

http://img828.imageshack.us/img828/4826/d1cs110001.png

http://img853.imageshack.us/img853/826/d1cs110002.png

Blood is to light while the rooms are to dark.

I realized that but I could get it right without making it too dark (the lazy way)

And the blood was much lighter originally.

“Is there a something on my cheek?!”

The blood is way too bright
and work on the muzzleflash