Subtle changes. Made the hair longer on her right side. Shadow line around the right hand. Changed the bikini red in the center of the breast. smoothed the shadow lines on the elbows and collar bone. darkened the shadows in the fingers on the left hand. Some contrast, brightness, color balance changes. Reduced the saturation a bit. Didn't use any filters, but there's a ton that you might enjoy for certain things. Look in the galleries and you'll get some ideas.