Animated texture IPO?

Is there any way to use an IPO to animate which frame from an image sequence is used in a texture?

http://blenderartists.org/forum/showthread.php?t=134168
Check Forte’s post there fro the use of a script to change the image in the animated texture… maybe it’ll help you.

Cheers. Looking into it.
To give you some idea about why I’m asking, check this link.
I’m helping this guy to integrate 3d elements with his images.