That's not to bad. You should try to learn how to draw with a simple drawing program such as Paint.net on the PC though. Less hassle to get it onto the computer. Plus the finished project tends to look a little better and more neat.
But yeah, its not to bad. The mouth is a tad low. I love The Dark Night. ^^
Well i have a scanner so it isnt that hard to get onto the comp but the coloring of them is very difficult (using gimp) so ill take your advice and see what that could do. Some Random weapons