Add-on:Three silly addons

Three image addons of no actual use.

Unpack to WW's main directory...


 * Cloudy and Icy: clouds and ice all over the planet. May take a while to load.


 * Topobathy: shaded view of Earth bathymetry and topography.


 * WaterWorld: water, water everywhere... The whole globe is blue and not even The Mariner will find Dryland now.


 * World Wind Forums Thread
 * Three silly addons version v1.0 Add-on