I've seen a few small mosaics lately, and thought I'd feature them all together.
First, here is a Seattle Space Needle mosaic by Joshua Christenson:
Here is a cute little clown fish mosaic by Jim Walshe:
The use of round 1x1 plates gives it an interesting texture. (Via DisneyBricks.)
And Simon Liu used some mosaic work on his building for the Urtican Blitz'ard to make for some pleasing walls: