I was impressed by the Youcam Makeup software. It allows you to fudge with photos. I think it was primarily intended for women to retouch selfies. I am sure you like to imagine women retouching their selfies but it is even more fun to alter the photos of your straight male friends who might feel a little less than flamboyant.
Dave His altered ego Elton Jhones
I was really hoping I could tranify the doggy too but that was a no go. Perhaps there are manual settings. This was done on an Android phone.