Wally is a Qt4-based wallpaper changer that supports various sources for wallpapers such as files, folders, remote FTP folders, and multiple photo-sharing platforms like Flickr, Google, and Picasa, among others.

One of the key strengths of Wally is its compatibility with multiple Linux window managers. This software can work seamlessly across several platforms including GNOME, GnomeShell, KDE3, KDE4, XFCE4, BlackBox, FluxBox, Window Maker, and FVWM (currently in experimental stages).
With Wally, users have the freedom to personalize their device's wallpaper with ease by accessing an extensive selection of images from various sources. The software's user-friendly interface guarantees a seamless experience throughout the wallpaper-changing process.
In conclusion, Wally is a highly recommendable software for users who are on the lookout for a robust and user-friendly wallpaper changer with extensive features and compatibility.
Version 2.4.4: Settings window layout is now suitable for netbook screens