I was trying to do something like this, to create a frame strip, but lacked the knowledge to do it.
I've come up with a good solution for reusing frames on animations, an alternative for big size sprites. Using the timeline object for scripting the animation and adding parameters.
Here's the link, if you wanna check it out. viewtopic.php?f=16&t=3174
Use the download link at the bottom, the first post link is broken.