Drag an instance of the smart clip onto the stage. Right click the instance and select
Panels> Clip Parameters. The Clip Parameters tool window will appear.
Now, enter a caption and a url for this instance. I suggest Flash Kit :) When you're done, add
two more instances and enter the properties for these too.
Notice that the clips are not updated at design-time... Hit Ctrl-Enter, and lo and behold, three instances of one movie clip with different captions for each instance!