Although the Hormonal Forecaster comes with four background skins, you can download additional ones from this site for free.
Instructions appear below followed by thumbnails of the background skins available to choose from.
These instructions are geared towards people who have already downloaded Hormonal Forecaster. If you have not, please visit the download page . First you need to determine which directory you need to save the new skins to. Select About the Program from the Help menu. The program splash screen will appear.