diff --git a/README.rst b/README.rst
index 532f88b..34db1f4 100644
--- a/README.rst
+++ b/README.rst
@@ -49,7 +49,7 @@ Gallery
 
 .. image:: http://dotshare.it/public/images/uploads/650.png
 
-**Powerarrow Darker** copycatted from romockee_ 
+**Powerarrow Darker** copycatted from romockee_ [port from v3.4]
 
 .. image:: http://dotshare.it/public/images/uploads/649.png
 
diff --git a/lain b/lain
index c4879b5..a60f9dd 160000
--- a/lain
+++ b/lain
@@ -1 +1 @@
-Subproject commit c4879b5932e770ed9de37bee2818554460b68d76
+Subproject commit a60f9dd05a593f2127e233dc531f510e9acdf570
diff --git a/rc.lua.blackburn b/rc.lua.blackburn
index 5e03e28..a3711cf 100755
--- a/rc.lua.blackburn
+++ b/rc.lua.blackburn
@@ -163,7 +163,7 @@ fshome = lain.widgets.fs({
         fs_header = ""
         fs_p      = ""
 
-        if used >= 90 then
+        if fs_now.used >= 90 then
             fs_header = " Hdd "
             fs_p      = fs_now.used
         end
diff --git a/rc.lua.copland b/rc.lua.copland
index d689345..56e3b57 100755
--- a/rc.lua.copland
+++ b/rc.lua.copland
@@ -77,6 +77,8 @@ graphics   = "gimp"
 -- lain
 lain.layout.termfair.nmaster   = 3
 lain.layout.termfair.ncol      = 1
+lain.layout.centerfair.nmaster = 3
+lain.layout.centerfair.ncol    = 1
 
 local layouts = {
     awful.layout.suit.floating,
@@ -86,6 +88,7 @@ local layouts = {
     lain.layout.uselesstile,
     lain.layout.uselessfair,
     lain.layout.termfair,
+    lain.layout.centerfair,
     lain.layout.uselesspiral.dwindle
 }
 -- }}}
diff --git a/rc.lua.powerarrow-darker b/rc.lua.powerarrow-darker
index 9ce6556..7267880 100755
--- a/rc.lua.powerarrow-darker
+++ b/rc.lua.powerarrow-darker
@@ -209,7 +209,7 @@ batwidget = lain.widgets.bat({
         else
             baticon:set_image(beautiful.widget_battery)
         end
-        widget:set_markup(" " .. bat_now.perc .. " ")
+        widget:set_markup(" " .. bat_now.perc .. "% ")
     end
 })
 
diff --git a/rc.lua.rainbow b/rc.lua.rainbow
index 5c15c4d..9425481 100755
--- a/rc.lua.rainbow
+++ b/rc.lua.rainbow
@@ -1,6 +1,5 @@
 --[[
 
-                                   
      Rainbow Awesome WM config 2.0 
      github.com/copycat-killer     
                                    
diff --git a/themes/blackburn/theme.lua b/themes/blackburn/theme.lua
index da43c1c..c92de3a 100644
--- a/themes/blackburn/theme.lua
+++ b/themes/blackburn/theme.lua
@@ -55,7 +55,7 @@ theme.tasklist_maximized_horizontal = ""
 theme.tasklist_maximized_vertical   = ""
 
 -- lain related
-theme.useless_gap_width             = 8
+theme.useless_gap_width             = 10
 theme.layout_uselesstile            = theme.dir .. "/icons/uselesstile.png"
 theme.layout_uselesstileleft        = theme.dir .. "/icons/uselesstileleft.png"
 theme.layout_uselesstiletop         = theme.dir .. "/icons/uselesstiletop.png"
diff --git a/themes/copland/theme.lua b/themes/copland/theme.lua
index 74c006b..3d6e7e1 100644
--- a/themes/copland/theme.lua
+++ b/themes/copland/theme.lua
@@ -23,8 +23,8 @@ theme.border_focus                              = "#93B6FF"
 theme.taglist_fg_focus                          = "#FFFFEF"
 theme.taglist_bg_focus                          = "#111111"
 theme.titlebar_bg_normal                        = "#191919"
-theme.titlebar_bg_focus                         = "#222222"
-theme.menu_height                               = "16"
+theme.titlebar_bg_focus                         = "#262626"
+theme.menu_height                               = "15"
 theme.menu_width                                = "150"
 
 theme.tasklist_sticky                           = ""
@@ -89,6 +89,7 @@ theme.titlebar_maximized_button_normal_inactive = theme.dir .. "/icons/titlebar/
 
 -- lain related
 theme.useless_gap_width                         = 10
+theme.layout_centerfair                         = theme.dir .. "/icons/centerfair.png"
 theme.layout_termfair                           = theme.dir .. "/icons/termfair.png"
 theme.layout_uselessfair                        = theme.dir .. "/icons/fairv.png"
 theme.layout_uselessfairh                       = theme.dir .. "/icons/fairh.png"
diff --git a/themes/copland/wall.png b/themes/copland/wall.png
index cd7b228..5e59e3b 100644
Binary files a/themes/copland/wall.png and b/themes/copland/wall.png differ
diff --git a/themes/dremora/theme.lua b/themes/dremora/theme.lua
index d79d291..fa2c83b 100644
--- a/themes/dremora/theme.lua
+++ b/themes/dremora/theme.lua
@@ -54,7 +54,7 @@ theme.tasklist_maximized_horizontal = ""
 theme.tasklist_maximized_vertical   = ""
 
 -- lain related
-theme.useless_gap_width             = 8
+theme.useless_gap_width             = 10
 theme.layout_uselesstile            = theme.dir .. "/icons/uselesstile.png"
 theme.layout_uselesstileleft        = theme.dir .. "/icons/uselesstileleft.png"
 theme.layout_uselesstiletop         = theme.dir .. "/icons/uselesstiletop.png"
diff --git a/themes/holo/theme.lua b/themes/holo/theme.lua
index ad8bb8f..def2885 100644
--- a/themes/holo/theme.lua
+++ b/themes/holo/theme.lua
@@ -83,7 +83,7 @@ theme.tasklist_maximized_horizontal = ""
 theme.tasklist_maximized_vertical   = ""
 
 -- lain related
-theme.useless_gap_width             = 4
+theme.useless_gap_width             = 10
 theme.layout_uselesstile            = theme.icon_dir .. "/uselesstile.png"
 theme.layout_uselesstileleft        = theme.icon_dir .. "/uselesstileleft.png"
 theme.layout_uselesstiletop         = theme.icon_dir .. "/uselesstiletop.png"