yes agree there they are good charts pocko, not sure if you have attempted to thumbnail them though pocko, but I've included a link below which will explain how to do it, it's not that difficult at all and the one big bonus that you get from thumb nailing them is when the viewer clicks on a thumb nailed image it will open and adjust to the size of their monitor or Iphone screen, fits nice and snuggly, at present it's a bit annoying having to pan to the left right up down just to see the image. cheers
PS. if you have any difficulty just give us a bell