This design isn't a manipulation effect but it was intended for a happy anniversary card for my sister and her husband, it was an original photo from their wedding shoot.

 

The concept was to turn them into silhouettes and have a bunch of roses in the left figure and on the right to have a rose in the hand of the right figure. The figures to be looking forward into the sunset etc, I wanted to make it look cute but also professional, the card was never made and I just bought a card from Paperchase due to lack of time, unfortunately. However, I enjoyed making the simple design.