Ok i sended em
PPPoE using a 1492 MTU, but you showed me a result of 1500, that makes me think that TCP optimizer has manually set yout MTU to 1500.
However make sure you have MTU set to 1492 with these files, changing MTU is easyest with DrTCP, here you can download it
http://www.dslreports.com/front/DRTCP021.exe
good luck
VanBuren