WebCam Monitor allows you to perform a repetitive action, such as sending an email every hour, by using the regular interval monitoring action.
To set this up, go to the 
Quick Access panel and select 
Regular intervals of āNā minutes option. Set the interval value to 60 minutes and choose the 
Email Notifications action. Enter the email address, authentication and the other mail server details. Click the Ok button to save these settings.

Repeat these steps for each webcam. After configuring all webcams, click the 
Start Monitoring button from the Quick access panel. An email with a picture will be sent each hour from your 3 webcams.