See http://www.alverno.edu/community_friends/telesis.html for the following classes among others:
p. 15 Watercolor Painting by Joyce Eesley (for examples of her work see http://www.leagueofmilwaukeeartists.com/joyce_eesley.htm )
Oil Painting, Landscape & Still Life by Ken Bronikowski (for examples of his work see http://www.finelinedesignsgallery.com/artists/KenBronikowski.html )
Milwaukee Sketch Club is a group of artists who enjoy sketching and painting of models with an occasional artist demo or critique