Wiki Tools

Frappr maps

http://www.frappr.com/

World Clock

1.  Edit the wiki page

2.   click "insert plugin" 

3.  Select "productivity"

4.  Select Google Gadgets

5.  Select gadget like dual world clocks, which let you set two time zones.

Other Productivity plugins:

Calendar

Spreadsheet (for charts of information)

To make a Google Earth movie,

Use screencast-o-matic to record screen.   Export as movie.