Ninjas! Minecraft 1.2 - 1.3.2 Seed
Seed Code: Ninjas!
You spawn on a survival island with 2 trees and some sugar cane nearby.
X: -128 / Y: 66 / Z: -37
The main island with 2 trees and some sugar cane on the coastline. No cave system though. :(
X: 211 / Y: 64 / Z: -395
Another small island with some flowers but no trees.
X: 30 / Y: 80 / Z: 143
A Taiga island with a slightly exposed lava pool just off the coast of the main island.