Here's an update vid of the 350 liter tank.
Moss grows in three environments: on land (dry), in humid conditions and submerged.
What I'm experimenting with is getting moss from humid environments to grow submerged.
Hopefully, it will grow back nice and evenly... =)
See a lot more pictures of this tank and others at http://www.facebook.com/Vxtanks
What do you guys think?