pYro_65:
No amount of critical thinking, or logical explanations are going to change robins point of view. The stubbornness is strong with this one.I learn't this here: "Pointers make my head spin" etc ... - Bar Sport - Arduino Forum
To be fair, that Thread is in "Bar Sport". 
I just have not yet seen any convincing evidence to contradict my views on the image size question.
My Laptop screen is 1366x768. 640x480 is about a quarter of that. Seems perfectly big enough for most things to do with an Arduino.
...R