The unregistered version is fully functional. The only limitation is that you can only set the time interval between each picture from1 second to 2 minutes. The registered version allows you to change each picture from 1 second to 60 minutes.

 JM WALLPAPER CHANGER may be purchased for $19.99

Click on the email button to purchase JM Wallpaper Changer

 
After you purchase the program, we will send you the keycode. After you receive the keycode, run the program and select Help and Activate and enter the keycode.