MovieClip Scroller with Tweener

Hello Guys, im new one in AS3.0
i have made scroller that scrolls movieclip with Tweener.
with this code i can change design, size… of any element and i don’t need to change script.

please can u see the fla?
and tell me is it normal code?
what you’ll add/remove/change to optimize it?

Thanks Alot

(Sorry For My English)

Thanks 2 senocular for releaseOutside Solution