yes, I've compared the list with my xml file and it should match. But please be aware, that Yahoo does not support any free weather API anymore and with the next version of WorldWeather, this provider will be removed completely. I'm not able to support the new method called YQL (the name of Database Query Language of Yahoo) in future versions, because a complete redesign of the grabber is required.Thanks, yahooo have similar layout as you have?
Look: https://forum.team-mediaportal.com/threads/image-pack-weather-backdrops-multi.135247/#post-1198268 and https://forum.team-mediaportal.com/threads/image-pack-weather-backdrops-multi.135247/#post-1198302why you want to implement such feature into a plugin, which has a complete different focus. In case you want to only change the background of your plugin, it's very simple to adapt each skin to display a weather related background picture based on global WorldWeather properties.