1) Upload your wallpaper IMAGE file. 2) Remember that the wallpaper creative for skin, desktop topscroll and desktop midscroll should have the dimensions: 2560px x 1440px • The creative for tablet topscroll and tablet midscroll should have the dimensions: 1024px x 1024px • The creative for mobile topscroll and mobile midscroll should have the dimensions: 812px x 812px
