vldPersonals is designed so that features can be added through the use of extensions.
Within your templates you'll typically include an extension like this.
In the above example, a random number from between 1 and 4 will be generated and displayed.
Here are some more examples.
With the above, a list of new members will be displayed. Since no parameters are passed, we put the closing bracket right after the column and extension will use its default parameters.
In this we're passing 2 parameters to our extension telling it to display only 4 members with pictures.