I would've liked a little less of Siberia and a little more of Africa, but hey, I'm not complaining. My computer crashes before the BCs every time I try to play the Giant Earth mod (Damn macs!), so this is a blessing. I'd also prefer if the Sahara was just a little downsized, but it's still amazing.
Downloading now.
EDIT: This is just a map, so it's incredibly simple: change the wb file name from xxx.CivWarlordsWBSave to xxx.CivBeyondSwordWBSave