Animation

Okay well, I am learning how to animate.
This is a whole new chapter for me, I am usually creating character in still poses, I rarely ever animate.

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So I want to add a simple walk cycle here, though I keep having a problem with the legs, I always make them look either too thin, or too wide.
This is what I have so far
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I know it's not a lot to show here, but like I said I am new to animation.