if you're not using your legs for propulsion then they just become dead weight. give swimming with a kickboard a shot. it makes you look like a 6yo whether you're a pro swimmer or just learning so just ignore that fact. Its a great way to see how good or how bad your kicking is and its a great workout after just a few laps.
the mother-in-law wont let go of their old Nissan Quest. I've had to drive it a number of times and never complain and no one gets in it without remarking on the space/ dvd screens/ sunroofs(sp?). Not a bad option.
watch youtube videos and practice, i taught swim lessons in HS/college, mostly little kids but tried to teach some friends but they were always so embarassed or frustrated that they never got better. keep doing laps and refining your kicks/strokes. such a great workout, wish my gym had a pool.