A simple Coarse Dirt set up
A simple Mud set up
This looks neat (:
Leaves are great at holding Water!
Note that you don't need a Grass Block if you seed it using Wheat Seeds or Grass;
A simple diagram showing how the composter registers it's moisture level; (note that the composter can also register moisture from waterlogged blocks and flowing water)
The recipe for the Recomposter if you do not use the Recomposted Addon;
Note that you don't need a Mycelium Block if you Inoculate it using a Mushroom;
Note that conditions needed to yield these items aren't met in this image except for the Coarse Dirt;