SWEET! I'll have to remember that.
If you want a really real looking eye (with muscle fibres in the iris, etc) you could create a planar UV map for the sphere, download a good looking (high-res with lots of detail) picture of an eye, and then carefully apply it to your map. It wouldn't matter that the texture appears on both the front and back of the eye, because you never see the back!! This is great coz it means that you don't even have to think about remapping your verts!!
Stargate rocks!!
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