I figured out how to get the Poser cat walking with Walk Designer. The file is now up in Freestuff- follow the link for a preview (it's 952K, a little large to include as an image in this post). It's not perfect, but it's a start.

Cat walk preview

Actually it was very easy once I figured out a few fundamental 'must do's'. Easy enough that I'm writing a tutorial on it, in case anyone else is struggling or would like to try but doesn't know how.

I'll be converting my running cat animation into the appropriate pose file for Walk Designer next, and am working on a 'Lion Walk' for the Poser lion, which is looking pretty stunning if I say so myself.