awesome обои всегда под панелью!

beautiful.init("~/.config/awesome/themes/default/theme.lua")

theme.wallpaper = "~/.config/awesome/themes/default/img_0482.jpg"

wallpaper_cmd = { "feh --bg-scale ~/.config/awesome/themes/default/background.png "}

if beautiful.wallpaper then
    for s = 1, screen.count() do
        gears.wallpaper.maximized(beautiful.wallpaper, s, true)
    end
end

centered (surf, s, background)	Set a centered wallpaper.
tiled (surf, s, offset)	Set a tiled wallpaper.
maximized (surf, s, ignore_aspect, offset)	Set a maximized wallpaper.
fit (surf, s, background)	Set a fitting wallpaper.