Ah, there is another site called Shadowlord Inc. It has decent galleries dedicated to variety of TF contents, including age transformations, in cartoons and animes.
The AP gallery can be found here:
http://www.shadowlordinc.com/show.ca...oryTf.Id=13001
The AR gallery can be found here:
http://www.shadowlordinc.com/show.ca...oryTf.Id=13002
The Age Swap gallery can be found here:
http://www.shadowlordinc.com/show.ca...oryTf.Id=13003