I'm not sure how to get a "fade in" effect.
Start from understanding and setting up an transition functions sequence:
Set your images as a list:
Set 2 main parameters of your animation:
Finally use interactive interface
Or make a table and export as an .GIF image
Vitaliy has a great answer, however I wanted to try my hand at this to get something a bit smoother in action by using Dynamics...
This works, but can someone please tell me why I can't substitute