The Walk designer will work with the Poser 5 figures, and xantor is absolutely correct -- the walk designer is specifically intended to be used with an adult figure to design the walk, which is then saved as a pose file. That pose file can then be applied to the other figures (children, dogs, cats, raindrop monsters, psychos, and assorted acron people that suddenly pop out of your monitor and hold long conversations with you...)

thou and I, my friend, can, in the most flunkey world, make, each of us, one non-flunkey, one hero, if we like: that will be two heroes to begin with. (Carlyle)