Ok, so I'm redoing graphics for my team's game called Frozyn. Firstly, here is the main character, Patrick O'Grady:

Patrick O'Grady
Now, I'm pretty sure he doesn't have many problems, save for shading...Me and my team went through so many, so I don't want to change him, unless someone thinks he will look better in a certain way. I want to maintain the style, though.
Now, the real reason of this post. The Spydermine. Here is the old/new comparison:

Old/New Comparison [The "lightbeam" is for preview and explanation for programmers only]

'Blind' Version [No headlamp "eye"]

A teammates edit, which, in my opinion, looks less distinguishable from my original...
Ok, so the sprite is of a mine with legs, with a body of snow, and sticks of dynamite with a timer on them. In the game, the mine will collide and either light the fuse to explode, or explode on contact. In any case, I'm simply trying to give you an overview of what it is/does. Now, I guess what I'm looking for is some critique and general feedback, because I want it to remain the same shape/size relatively, yet I feel that I can improve on it, yet not sure how. So, any help is greatly appreciated.
Sokota