Really interesting subject since its one most people don't pay much attention to. Here is a relevant article which explains how to create the smallest possible

Really interesting subject since its one most people don't pay much attention to. Here is a relevant article which explains how to create the smallest possible PNG: http://garethrees.org/2007/11/14/pngcrush/ http://garethrees.org/2007/11/14/pngcrush/