Comparision shots

[motherx2esq]

I want to post comparision shots in my fotki but I am unsure how to create the side by side shot that a lot of the ladies here use. Can anyone tell me how to create the side by side shots or just what photo editing software you are using? Thank you in advance.

 

[Cincysweetie]

Message Letitia. I'm about to message her too. Good luck!