Dynamic Liquid Tanks 2 by DocRedstone,
Dynamic Liquid Tanks is a mod that is based upon storing liquids in Minecraft in a limitless combination using multi-block structures, so that they look just the way that you want them to!!
A required library for all FireSquared Mods, providing rich, dynamic, skinable GUIs, smoother handling of art assets, and assorted boilerplate code.
aqua_creepers by Angry_Pixel (secretly was vadis365 really :P)
A mod to add more danger to the high seas.