For 1.7.0 and above tobaccos are created by you, and completely customisable. Follow the example below or in the config file:
puffweed: – name used to enable tobacco
name: Puff Weed – in game tobacco name
lore: Dried Smoking Grass – lore set to tobacco on creation
inputItem: JUNGLE_LEAVES – Item to be put into furnace
outputItem: DEAD_BUSH – Product of drying the input item
effect: HUNGER – potion effect – or “none”
particle: SMOKE_NORMAL – Extra particle in the smoke
damage: 1 – Damage tobacco causes to pipe