my new walking animation :) add C&C please, and add www to view movie
.swfcabin.com/open/1254481469

The arms shouldn't be so bent during a brisk normal walk.
Not bad. Take a look at this:
http://www.ehow.com/video_2373728_breakdown-animation-walk-cycle.html
He explains it somewhat good enough. This should tell you enough of what you need to know.