I just realized what you meant yesterday.
I'm currently writing an animation tutorial addon that shows how to use the 4 animation type (Alpha, Rotation, Scale, Translation)
Roundup:
http://www.wowinterface.com/forums/s...ad.php?t=35104
I thought there is some new animation that allows use to animate fontsstrings on their own (making them wave or sth. like that)
To bad I have not commited by first version, so I have nothing to show atm.
I'm doing tests with red squares that have a texture and a fontstring applied and have the same issues with fontstrings as you do.
Frame and textures will return to it's original values after the animation is finished: except for fontstrings. They stay bugged where they are.
You can adjust the texture and frame just fine in a function that you call in your "OnFinished" event.
I'm not even sure if the fontstring object is still intact. Because I tried adjusting it inside of OnFinished but got really bad results.
I think we should report this in the beta forum. Going to open up a thread.