Trying all the providers I get nothing, and a grey icon on the bar.

[Info  18:43:18.172] [PluginManager] Loaded "Weather".
[Debug 18:43:18.251] [Preferences] Key Timeout does not exist, creating.
[Debug 18:43:18.498] [Preferences] Key Location does not exist, creating.
[Debug 18:43:32.631] [AbstractWeatherSource] iGoogle: Fetching XML file 'http://api.wunderground.com/auto/wui/geo/GeoLookupXML/index.xml?query=Bracknell%2c+UK'
[Info  18:43:36.027] [AbstractWeatherSource] iGoogle: Reloading weather data
[Debug 18:43:36.028] [AbstractWeatherSource] iGoogle: Fetching XML file 'http://www.google.com/ig/api?hl=en&weather=Bracknell%2c+UK'
[Debug 18:43:36.030] [AbstractWeatherSource] iGoogle: error: Invalid Weather Location
[Debug 18:43:36.031] [AbstractWeatherSource] iGoogle: Object reference not set to an instance of an object  at System.Net.WebConnectionGroup.PrepareSharingNtlm (System.Net.WebConnection cnc, System.Net.HttpWebRequest request) [0x00000] 
  at System.Net.WebConnectionGroup.CreateOrReuseConnection (System.Net.HttpWebRequest request) [0x00000] 
  at System.Net.WebConnectionGroup.GetConnection (System.Net.HttpWebRequest request) [0x00000] 
  at System.Net.ServicePoint.SendRequest (System.Net.HttpWebRequest request, System.String groupName) [0x00000] 
  at System.Net.HttpWebRequest.BeginGetResponse (System.AsyncCallback callback, System.Object state) [0x00000] 
  at System.Net.HttpWebRequest.GetResponse () [0x00000] 
  at WeatherDocklet.AbstractWeatherSource.FetchXml (System.String url) [0x0006d] in /home/dave/code/docky/docky/StandardPlugins/Weather/src/Sources/AbstractWeatherSource.cs:343 
  at WeatherDocklet.AbstractWeatherSource.FetchAndParse (System.String url, WeatherDocklet.XmlParser parser) [0x00011] in /home/dave/code/docky/docky/StandardPlugins/Weather/src/Sources/AbstractWeatherSource.cs:301 
[Info  18:44:00.115] [AbstractWeatherSource] Weather Channel: Reloading weather data
[Debug 18:44:00.116] [AbstractWeatherSource] Weather Channel: Fetching XML file 'http://xoap.weather.com/weather/local/Bracknell%2c+UK?cc=*&dayf=10&prod=xoap&par=1097943453&link=xoap&key=306225326138d0bd&unit=s'
[Debug 18:44:00.116] [AbstractWeatherSource] Weather Channel: error: Invalid Weather Location
[Debug 18:44:00.117] [AbstractWeatherSource] Weather Channel: Object reference not set to an instance of an object  at System.Net.WebConnectionGroup.PrepareSharingNtlm (System.Net.WebConnection cnc, System.Net.HttpWebRequest request) [0x00000] 
  at System.Net.WebConnectionGroup.CreateOrReuseConnection (System.Net.HttpWebRequest request) [0x00000] 
  at System.Net.WebConnectionGroup.GetConnection (System.Net.HttpWebRequest request) [0x00000] 
  at System.Net.ServicePoint.SendRequest (System.Net.HttpWebRequest request, System.String groupName) [0x00000] 
  at System.Net.HttpWebRequest.BeginGetResponse (System.AsyncCallback callback, System.Object state) [0x00000] 
  at System.Net.HttpWebRequest.GetResponse () [0x00000] 
  at WeatherDocklet.AbstractWeatherSource.FetchXml (System.String url) [0x0006d] in /home/dave/code/docky/docky/StandardPlugins/Weather/src/Sources/AbstractWeatherSource.cs:343 
  at WeatherDocklet.AbstractWeatherSource.FetchAndParse (System.String url, WeatherDocklet.XmlParser parser) [0x00011] in /home/dave/code/docky/docky/StandardPlugins/Weather/src/Sources/AbstractWeatherSource.cs:301 
[Info  18:44:06.611] [AbstractWeatherSource] Weather Underground: Reloading weather data
[Debug 18:44:06.612] [AbstractWeatherSource] Weather Underground: Fetching XML file 'http://api.wunderground.com/auto/wui/geo/WXCurrentObXML/index.xml?query=Bracknell%2c+UK'
[Debug 18:44:06.612] [AbstractWeatherSource] Weather Underground: error: Invalid Weather Location
[Debug 18:44:06.613] [AbstractWeatherSource] Weather Underground: Object reference not set to an instance of an object  at System.Net.WebConnectionGroup.PrepareSharingNtlm (System.Net.WebConnection cnc, System.Net.HttpWebRequest request) [0x00000] 
  at System.Net.WebConnectionGroup.CreateOrReuseConnection (System.Net.HttpWebRequest request) [0x00000] 
  at System.Net.WebConnectionGroup.GetConnection (System.Net.HttpWebRequest request) [0x00000] 
  at System.Net.ServicePoint.SendRequest (System.Net.HttpWebRequest request, System.String groupName) [0x00000] 
  at System.Net.HttpWebRequest.BeginGetResponse (System.AsyncCallback callback, System.Object state) [0x00000] 
  at System.Net.HttpWebRequest.GetResponse () [0x00000] 
  at WeatherDocklet.AbstractWeatherSource.FetchXml (System.String url) [0x0006d] in /home/dave/code/docky/docky/StandardPlugins/Weather/src/Sources/AbstractWeatherSource.cs:343 
  at WeatherDocklet.AbstractWeatherSource.FetchAndParse (System.String url, WeatherDocklet.XmlParser parser) [0x00011] in /home/dave/code/docky/docky/StandardPlugins/Weather/src/Sources/AbstractWeatherSource.cs:301 
[Debug 18:44:10.028] [AbstractWeatherSource] Weather Underground: Fetching XML file 'http://api.wunderground.com/auto/wui/geo/GeoLookupXML/index.xml?query=Bracknell%2c+UK'
[Debug 18:44:15.522] [AbstractWeatherSource] Weather Underground: Fetching XML file 'http://api.wunderground.com/auto/wui/geo/GeoLookupXML/index.xml?query=London%2c+UK'
[Debug 18:44:17.866] [AbstractWeatherSource] Weather Underground: Fetching XML file 'http://api.wunderground.com/auto/wui/geo/GeoLookupXML/index.xml?query=London%2c+UK'
[Info  18:44:54.172] [AbstractWeatherSource] iGoogle: Reloading weather data
[Debug 18:44:54.173] [AbstractWeatherSource] iGoogle: Fetching XML file 'http://www.google.com/ig/api?hl=en&weather=Bracknell%2c+UK'
[Debug 18:44:54.173] [AbstractWeatherSource] iGoogle: error: Invalid Weather Location
[Debug 18:44:54.173] [AbstractWeatherSource] iGoogle: Object reference not set to an instance of an object  at System.Net.WebConnectionGroup.PrepareSharingNtlm (System.Net.WebConnection cnc, System.Net.HttpWebRequest request) [0x00000] 
  at System.Net.WebConnectionGroup.CreateOrReuseConnection (System.Net.HttpWebRequest request) [0x00000] 
  at System.Net.WebConnectionGroup.GetConnection (System.Net.HttpWebRequest request) [0x00000] 
  at System.Net.ServicePoint.SendRequest (System.Net.HttpWebRequest request, System.String groupName) [0x00000] 
  at System.Net.HttpWebRequest.BeginGetResponse (System.AsyncCallback callback, System.Object state) [0x00000] 
  at System.Net.HttpWebRequest.GetResponse () [0x00000] 
  at WeatherDocklet.AbstractWeatherSource.FetchXml (System.String url) [0x0006d] in /home/dave/code/docky/docky/StandardPlugins/Weather/src/Sources/AbstractWeatherSource.cs:343 
  at WeatherDocklet.AbstractWeatherSource.FetchAndParse (System.String url, WeatherDocklet.XmlParser parser) [0x00011] in /home/dave/code/docky/docky/StandardPlugins/Weather/src/Sources/AbstractWeatherSource.cs:301 
[Debug 18:44:55.787] [AbstractWeatherSource] iGoogle: Fetching XML file 'http://api.wunderground.com/auto/wui/geo/GeoLookupXML/index.xml?query=London%2c+UK'