http://agetfcaptions.blogspot.com.es/
I'm a long time follower of this blog, and it's worth a check
It's about captions featuring age transformations...duh...
You should check out the host's stories though, not the readers' entries since the host describes the process a little bit better in my opinion.
Some stories are captioned versions from stories you may already know...but she has some interesting original work as well.