Hi Andy,
In the Common Fixture Manager you can have a maximum of 20 fixture personalities. If you go into the Common fixture template that you get when you download the Zero88 fixture library and delete some of the personalities that you do not require, by 'right clicking' and select 'delete', you can then 'right click' and 'insert' personalities that you have made. You can also 'insert' the appropriate personality from the Zero88 Library by selecting that file instead. Then save the file to your floppy and load it into your FatFrog.
Hope this helps mate.
Gordo