Create eCommerce site Shipping module modification

Hi, We need CREloaded expert to help us to make some small modification of shipping module. 1. We currently installed shipping module "World Zone rates", it only have three 3 zone available. We need to have 7 Zones. You need to include ISO country code for each give countries for each zone; 2. Need to Change "World Zone Rates" To Express Mail Service" 3. We need to install "Table rate" shipping module, change label "Table rate" to "Registered airmail". The project needs to be done in one day Thanks Ben Gao