Skybox
sofar

Allows changing your sky to unimaginably epic scenes.

Lightning
sofar

A mod that adds thunder and lightning effects.

Luscious
sofar

Bring color into the mgv7 mapgen world.

Sedimentology
sofar

A mod that adds realistic erosion and degradation of rocks.

Nightandday
sofar

Allows you to have different day and night speeds.