Some semi-random thoughts on terrain generation

[xoft]

What's the white stuff in the water? Snow?

Ice.

Could you please write a short guide on mapping MCS maps?

I'll make it extra short
Set your world's Storage schema to Anvil. Use any vanilla MC mapping program you'd like:
http://www.minecraftwiki.net/wiki/Progra...ap_Viewers

I'm using Minutor:
http://www.minecraftforum.net/topic/3798...indows-16/