heyas; i've seen worse. :) did you turn off ik before you applied the walk deisgner walk? it looks a bit like the foot is confused as to where it is supposed to be targeted for it's ik. another problem is.... the walk designer isn't an exact science. you're trying to mix together several different walking animations, and sometimes information in them clashes in the most... interesting (painful? ;) ) ways. if the walk designer preview did this, try tweaking the slider settings just a hair to get rid of it.