Combining views for turning in walk

I'd appreciate any pointer to details on how how to combine figures for turning when walking. Our characters are drawn in Illustrator - in which my skills are distinctly moderate (that's probably an overstatement!). The jpg shows what comes through from our artist and you can see how they are used at www.thisispaston.co.uk/animatedpastons.html. (They're grouped together there but used separately on other parts of the site.) They're based on an actual medieval family and used for educational purposes. I think I've checked out most of the training videos videos and can see what we need from the 'Walk' video, but would like to find a better explanation of the Illustrator or Character Anim process for setting up.