THOSE ARE AWESOME!
you gotta teach me how to draw sometime
Everything is made of basic shapes. First you have to find out what those shapes are.
I start by copying standard poses, then every time I come across a feature or pose I like, I sketch that.
You'll start to get something that looks like this:

And you can copy bits and pieces from this "study sheet" when you draw. Eventually, you'll begin to memorize how to draw things and won't need the study sheet anymore.
Make heavy weapon pony
mkay