You may want to sort links by a criteria more complicated han a single field. The 'importance' field exists to allow you to do this. In your admin panel under settings->functionality you can define a custom formula for determining the value to fill this field.<br /><br />Your formula should emulate the default one provided. You can change it to use any mysql field in the form $this->filename, and to use any member functions of the onelink class in the format of $this->function()<br /><br />Note that after you change the importance formula you must regenerate links in order to get your preexisting links updated to the new formula.