I use seven desktops on my OSX mountain lion laptop. I have set all the seven desktops to display different wall papers that change every 5 minutes (an inbuilt feature of mountain lion). With this little app I basically wanted a breath of fresh air for my multiple desktops. Out of my seven desktops, I have set four to change wall papers automatically after one hour through this app, letting the remaining three desktops to stay with mountain lions inbuilt feature. Now all the seven desktops are working flawlessly (three changing wall papers after every 5 minutes from the inbuilt library of wall papers and four changing wall papers after every one hour by "Kuvva Wallpapers"). The four desktops that change wallpapers by this app (Kuvva Wallpapers) have different wallpapers set at one given time (which I basically want), but there are no seperate settings for all the desktops. For example, if I set the app to chose "popular", all the four desktops will change to "popular", they all would have different wallpapers at one time though. Similarly, if I set this app to "Featured Artist", all four desktops would change to "Featured Artist".
My suggestion is, please update this app to support multiple desktops, as multiple desktops seem to be the norm of the future with all the major operating systems (OSX, UNIX, LINUX & Windows) moving towards it.