Here is a list of the humorous posts on GeoSphere:

The Media Portrayal of Geologists (March 8, 2011)
A humorous look at how popular culture views geologists. I have back up my hypothesis with a few examples of geologist in popular culture.

The Mesozoic in verse (May 9, 2011)
A limerick about the Mesozoic Era

Interesting Search Terms that Found my Blog (Sept 15, 2011)
A collection of search terms that resulted in people ending up here at GeoSphere and a bit of commentary