On February 28, 2017, Weather Underground remove all interactive functionality for WunderPhotos, which includes: uploading images, selecting favorites, editing, commenting and other engagement activities.
Here is the info site; http://help.wunderground.com/knowledgebase/articles/1129165-wu-says-goodbye-to-wunderphotos-faq
This option under “Weather Watcher Live, Photos, WunderPhotos”, should be removed.