Add icons to background themes; allow to hide themes explicitly by adding “hidden” key to theme.cfg
sky = 9, 14, 45
border = 141, 151, 213
music = snow.ogg
clouds = 9
object = reindeer, 1, 90, 232, 94, 12, 2, 55, 60, 90, 73, 80, 134, 105, 64
object = tree, 1, 238, 706, 36, 9, 2, 122, 355, 208, 293, 164, 168, 82, 154
object = plant2, 3, 0, 85, 25, 25, 2, 0, 0, 170, 70, 50, 70, 120, 40
object = plant3, 3, 26, 0, 48, 1, 1, 25, 15, 50, 60
object = plant4, 3, 45, 4, 1, 45, 1, 20, 45, 20, 60
object = Snowman, 1, 38, 283, 119, 14, 1, 38, 21, 124, 216
spray = holly, 4
spray = holly2, 4
flakes = 100, 3, 0, 100, 300
ice = yes
snow = yes