[font=Book Antiqua]As per my knowledge , MB did not support any kind of email triggering for tasks.
(Future versions may include this feature /But ask iw-support before you do any customizations)MB support email functionality as part of Web client , refer the manuals to configure SMTP or configure the .asp files
I haven't done yet for MB , a random guessesConfiure your server to support SMTP , Write a perl script , batch Script ,
that use Net:MTP; Write some logic that if an image is added to a folder. get that value and run the Perl script to send an email to the predefined email address.
I developed similar scripts , as a part of File auditing , like if a file is added to a folder then copy the same into another foldersand trigger an email to the admin a notification with the file list.I hope it works ,
Lets try -Vin