It's not impossible actually. The Minecraft team at Mojang would need to somehow implement it first though. I think it would be awesome if they added the option to use 32x skins. That way I wouldn't feel so out of place in texture packs that use 32x textures. But as I said before, It would need to be added in an update. There are mods, but what is the point of a skin, if only you can see it.
It's not neccesarily rarer than diamond. In my experience, Gold is found about 10 to 30 blocks above bedrock. Try mining in that general area. Watch out for lava.
My favorite mod I've ever personally experienced? Without a doubt, it has to be the one and only Mo' Creatures. It adds atmosphere, monsters, pets, realistic animals, fantasy animals. The whole package.
Thanks, Noobslay3r. The spiders don't seem to be able to get above the dirt lip or the stone lip, so I don't think I need a fence on top of those. How do I get cows and sheep into my base?
Well in order to get them, you just have to go and find them and hold the bait that they will follow. Heres a list of what each of them will follow:
Cows and Sheep: Wheat
Chickens: Seeds
Pigs: Carrots
Just walk up to the mob holding the bait and they will follow you as long as you are holding it.
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16x packs: CoterieCaft, Painterly Pack,
32x packs: Tydoku, faithful 32x Pack,
64x: packs: Ovo's rustic redemption.
To name a few random ones I use.
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Cows and Sheep: Wheat
Chickens: Seeds
Pigs: Carrots
Just walk up to the mob holding the bait and they will follow you as long as you are holding it.