Add comparator textures (==)..not sure if this works
Add daylight detector, shining sun on a silicon-ish wafer
Daylight detector: improve upper side, white border, and bottom three divides evenly
Add crops (wheat)
Add carrots, lines like crops, but orange. Carrots grow above ground right? :o
Add cactus, splotch of spikey green, with flower on top
Add destroy progress overlays, sort of a fractal-like self-similar growth
Add wooden doors, with plankish wood with windows on upper
Add iron doors, same as door_wood_* but with block_iron colors
Add ladder, plank colored with four rungs
Fix missing tip on one of the oak leaves
Add spruce leaves, darker oak leaves
Add jungle leaves, with brown tips
Add jukebox, note block with a slot