Snowstorm, weather widget.
Snowstorm works as both an application and as a widget. Can display forecasts for hardcoded locations, or for your current location.
Fully skinnable, and has many configuration options.
Press menu in forecast view to see options/skins.
Make sure "Settings > Security&location > Use wireless networks is…
A live wallpaper that shows flying objects that comes towards you.
Activate it: Long press on home screen -> wallpapers -> live wallpapers, select Zoomfield
Very relaxing, and a bit old school. Did something similar on the Amiga about 18 years ago.
1.2: Added some color options. Works best with gray ball.