I've only tried one image so far, but the one I tried showed impressive results. I've always used http://punypng.com http://punypng.com, which has always done a

I've only tried one image so far, but the one I tried showed impressive results. I've always used http://punypng.com http://punypng.com, which has always done a great job, but I just ran a file compressed down to 131kb in PunyPNG and TinyPNG took it down to 42kb!