Could someone post a link or download for an earth giga map? I mean like twice the size of huge. Thanks!:)

Try this one, i cant use it but maybe you can.

http://forums.civfanatics.com/forumdisplay.php?f=296

http://earthobservatory.nasa.gov/Features/BlueMarble/BlueMarble_monthlies.php

This is THE link to get a perfect world image if you wanted to create your own world map.
You can even download a 1.3 GB Version of the world image