The making of Sexy twins, step by step...

original image

step 1 of 7

Source from sxc.hu

step 2 of 7

Put in leg from source provided.
Dupilcated and flipped the leg.

step 3 of 7

Cloned out original leg parts that were no longer required.

step 4 of 7

Quick masked girl, duplicated and flipped her. Cloned out the ring on her finger.

step 5 of 7

Added another pair of legs in a similar fashion to the previous ones.

step 6 of 7

Retouched the hair and added some color adjustments to finish the image.

step 7 of 7

Changed the shirt color as suggested.

final result