Sfondix is an symbian application that can set an image as wallpaper in your symbian mobile.
Sfondix can eliminate those gaps in your images as wallpaper; if you use ur default nokia to set the image as wallpaper, there are gaps or white edges between left or right.
While using SfondiX to set ur images as wallpaper, the whole wallpaper area will be covered w/ the image u use.
Download >> here.