Also, Breann Sledge's Thraxian Death Blossom uses radial symmetry for a nice addition to the Black Fantasy subtheme:
Peguo appears to be new to the Brickshelfing scene, but what he's got is worth checking out.
Check out kawazu1120's sweet "elltalon". It knits together many diferent colors to make a neat, Optimus-Prime-like robot. I've often noticed that the Japanese style of MOCing is very different from ours, but different is often good.