How to set pictures as a simple passcode on the iPhone 5s?

Basically I want to know how to do that. I guess people want to keep how to do it a secret so if you know how to do this and decide to tell me but don't want anyone to know, you could comment on one of my old questions w/directions or something. Thanks!
How to set pictures as a simple passcode on the iPhone 5s

Phone has to be Jailbroken. Personally don't think it's worth.