You seem to be working in the glamour (including lingerie and swimwear) and erotic genres. From these standpoints, two comments.
1. You need to fully engage the camera. Draw the male viewer to you. Get rid of all the photos where you don't engage the camera with you eyes. Look into the camera, and...
2. Project your sensuality and sexiness into the image. Get rid of the images where you seem to be uninvolved, lacking in sexiness. Get fired up, get sexy, and project yourself into the photos in a sexy way.