Wally is a Qt4 wallpaper / background changer. It uses multiple sources like files, folders, FTP remote folders, Flickr, Panoramio, Ipernity, Photobucket, Buzznet, Picasa, Smugmug, Google, Vladstudio and deviantART images. It's available in many languages. It supports proxy configuration, and you can review all your photos using "history" feature.
What is new in this release:
Flickr now uses HTTPS - Added Chinese Traditional language