Easing effect for absolutely ANYTHING: Transparency, volume level, effect parameters, animation frames, you name it. Pick from pre-defined easing effects or def...
Cheers!
Well you can either wait for this effect to be added or create this effect yourself with "Set custom easing function" action. I'm sure it's easy to google this effect's code.
For example: gsgd.co.uk/sandbox/jquery/easing
Just use these functions: gsgd.co.uk/sandbox/jquery/easing/jquery.easing.1.3.js