1. I'm sure if they work on xoblite since I don't use it.
2. Yeah, the strings are for the plugin to search for and get the info after them on the page.
3. There is a string to modify to decide how the plugin will display the information, and you can also change the style and some basic elements of BBWeather, just as many other bb plugins. However, you can't change how the BBWeather window look. I'm not really sure if this is what you asked.