lunarray don't bother with that. I'm looking for a specific bounce effect where the first "jump" would be higher than the start value.
I can achieve the same effect by creating multiple easing folowing themselves with differents value. Longer to set up, but it will work.
Edit : Like this [attachment=0:3c1mbi1q][/attachment:3c1mbi1q]
The second tween begins when the first one ends.
However, a nice addition to your amazing behavior would be the possibility to set a start value, not only a target value.