Simply Light Sources

Simply Light Sources gives the player 128 different lights to decorate with.

Most lights can be placed in all directions, this allows for more creativity.

(201 lights in v1.3.0)

(128 lights in v1.2.0)

(73 lights in v1.1.0)

(42 lights in v1.0.0)

Colored Lamps:

16 color variants

RGB LED Lamp:

Changes color based on Redstone signal strength. 

Signal strength of 0 is white.

Signal strength of 15 is pink.

Redstone Power Controller:

Place a wool on the face to change Redstone power strength.

Many more lights:

More may be coming.