It was a fun little animation, but since I'm not an animator, I don't have any constructive criticism.

As an animator myself, when it comes to animation, please do not use the basic auto Mine-Imator walk cycle. Your use of keyframing isn't as good as it could be, I would suggest using a program to record yourself doing the action and open it up with a program like Sony Vegas and go to keyframing to get a good perspective of where things would go. The lighting is okay, but try making it less bright to fit what is lighting up. And last of all, only use Mine-Imator as a beginning to animation. Do not spend all your time using it, as a Blender and Cinema4D user, both of what I use, once played with for around an hour are just terribly easy to use.

Great start! How about using 1.0.0?