Creative Menu is different in snapshot 12w21b, so you might want to wait on updating my texture pack.. if you use them. Changes are as follows:

Hybrid:
-Added EnderChest
-Added Emerald Item
-Added Emerald Ore
-Changed All Items menu
-Animated Emerald Ore
-Tweeked Glowstone to look more crystaline
-Changed Netherstone
-Improved Finished Book texture

Upscale
-Added EnderChest
-Added Emerald Item
-Added Emerald Ore

Foxfire's 64x
-Added EnderChest
-Added Emerald Item
-Added Emerald Ore
-Changed All Items menu
-Changed Gold Nugget to look like a Gold Coin
-Improved Finished Book Texture

Ornate
-Added EnderChest
-Added Emerald Item
-Added Emerald Ore
-Changed All Items menu
-Changed Gold Nugget to look like a Gold Coin
-Improved Finished Book Texture
-Animated Emerald Ore

Foxfire's 16x, Simple, and 8Bit
-Added EnderChest
-Added Emerald Item
-Added Emerald Ore

If you DO use my texture packs, please let your friends know. They are available at :
http://www.sifox.com/foxfire_kadrpg/index.html