Actually, the sandstone variants can be crafted normally. Smooth Sandstone is made by combining 4 sandstone in a square, while Chiseled Sandstone is made by stacking two Sandstone Slabs. See http://www.minecraftwiki.net/wiki/Sandstone
*Facepalm*
That's what I get for not following the new minecraft features. . .
I'll change the alternator's description now.
corjaantje -- I thought about the wool thing, but then I had an even more awesome idea for changing wool colors. It's still under development, though.
Edit: @ I don't now -- that was fast. I was hoping I would have the add-on out for at least a day before someone figured those out. . . And I'm planning on taking those textures out of the crops.png file (will be part of the next update), there were put there because the aedifilite block add-on pulls texture out of three different files, and when I was writing that part of the addon I didn't want to have to work with three different texture files.