ethernet and arduino mega

yes but this library TrollMaker.com is for sale | HugeDomains created for arduino uno.i have the arduino mega and please tell me what to do edit it this line
static uint8_t mac[6] = {0x54, 0x55, 0x58, 0x10, 0x00, 0x24}; // this just needs to be unique for your network,
// so unless you have more than one of these boards
// connected, you should be fine with this value.