1. has great potential, but the extreme contrast isn't doing you any favors. The wrinkly sheet is pulling my eye hard and REALLY detracts. So does the giant black spot in the crack of her butt. I don't know what your original looks like, but I think probably it has a lot of potential. Ease off the contrast a bit, get some light into those black areas.
2.That... well... I don't know what to say. I am sorry.
3. Your contrast on the hair is going to draw the viewer's eye right to that solid black spot of hair to the upper right side of the image. . The lack of detail in the hair is almost making it look like a wig.
Overall not so bad.
4. It's an adorable idea, but the lens distortion just makes her look like GIANT feet.
5.Your editing leaves her legs just floating in thin air instead of leaning against something. The focus point seems to be her undies, not the eyes. Your editing is showing on the white background rather poorly.