After making a theme when i install theme in my N85 i get white screen on idel background

Image name = qsn_bg_area_main_idle

but strange thing is when i install same theme in N81 i am getting image i mean to say complete theme

please guide

I dont know why getting error k dir invalid

You use an transparency image for the main idle area? The N85 is a FP2 mobile, the N81 a FP1. Some transparency things which works on FP1 mobiles don't work on FP2 mobiles and the images shown white.
Try to use an image without transparency.