Who needs this tool? Maybe nobody. Who wants it? Any geek willing to try anything once, I guess.
In my Google searches for solutions to wallpaper needs that few have, I found that one.
I also found this approach, which is truly something that only a geek could get off on.
What this all boils down to, is that it’s important to change your wallpaper every day. Else people will talk. Then who’ll get near you? Nobody.