Step #1: Lose 20 pounds.
Oh, wait a minute,
o2k, you have already done that (although I honestly don't think you needed to). Good for you!
For those who wear a DD, my favorite is
Cyber Swim. They make some cute suits that actually fit the more well-endowed figure.
For those of us over 40, I would also suggest a month or so of lunges, squats, and Cellu-Sculpt before heading for the dressing room.
Spray on hose (we used to have a thread about that) also works wonders for mature legs.