Windows release 1.0
Version 1.0 allows change in frequency of wallpaper updates and automatically saves last used preference.
To use, extract and run PyPaper.exe then you will see a new icon in your system tray. Click the icon and select a preference.
You can modify the frequency of wallpaper changes by changing the number of seconds between each new wallpaper in "frequency.txt"
To make this program run on startup, create a shortcut for PyPaper.exe and move it to C:\Users\username\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup