For best Growl performance, please make sure you are using the latest version of Speed Download found here and the latest version of Growl, found here.
Please visit the following Growl website for proper and easy to use instructions:
http://www.growl.info/documentation/
Enabling Speed Download with Growl
In general Speed Download should not need any configuration to work with Growl. Once you launch Speed Download and if Growl is already installed, a Speed Download Growl ticket will automatically be created for you.
You can configure Speed Download's Growl notifications from the Growl section of your System Preferences:

Using Speed Download with Growl
Growl can notify you of many Speed Download related activities once everything is setup. Growl offers you many gorgeous Display Options; feel free to pick whichever one suits your tastes.
Below is the Bezel display options; one of our favorites:

Speed Download Technical Support
If you have any questions about Speed Download, please do not email the Growl team. All Speed Download related questions must be directed to us at info at yazsoft dot com where someone will be happy to assist you promptly.
System Requirements:
- Mac OS X 10.4.11 or later.
Click here
to register or upgrade to Speed Download and unlock its full potential ! Your support will ensure that you always get the best that Speed Download has to offer.
Click here
to visit our support pages. A lot of your questions may already be answered in there.
Click here to take a quick tour of all the different Speed Download sections. This visual tour will help get you acquainted with some of the powerful new features of Speed Download !
Click here
to visit our support pages. A lot of your questions may already be answered in there.
Click here to join the Speed Download forums; a place to share your thoughts and experiences with other Speed Download users.
If you are currently using another commercial MAC download manager or FTP program and would like to upgrade to Speed Download 5, you may do so for only $15 ! For more information, please click here.