-- The Aquatic Exercise Association at www.aeawave.com targets certified aquatic fitness instructor members, but the Web site features articles on aquatic fitness and health, plus instructional DVDs. -- Hydro-Fit is a commercial Web site offering aquatic exercise gear, but it also offers a 'choreography library' of easy to follow line drawings explaining a number of exercises: www.hydrofit.com/home/hyf/smartlist 40/choreography library.html -- EHow offers several high-quality aquatic exercise videos: www.ehow.com/topic 856 exercises-water-aerobics.html 