diff --git a/.config/i3/config b/.config/i3/config
index 4668b37..fa5c4fe 100644
--- a/.config/i3/config
+++ b/.config/i3/config
@@ -44,7 +44,7 @@ exec --no-startup-id ~/.config/i3/startxrandr.sh &
 exec --no-startup-id "sleep 15 && picom &"
 
 # Configure wallpaper
-exec --no-startup-id "sleep 3 && nitrogen --set-centered ~/wallpapers/abstract.png"
+exec --no-startup-id "sleep 3 && nitrogen --set-scaled ~/wallpapers/abstract.png"
 
 # Configure xscreensaver
 exec --no-startup-id "sleep 5 && xscreensaver &"
diff --git a/.config/i3/startxrandr.sh b/.config/i3/startxrandr.sh
index 8e0920b..1628a8d 100755
--- a/.config/i3/startxrandr.sh
+++ b/.config/i3/startxrandr.sh
@@ -7,7 +7,7 @@ scan_rel=0
 #  xrandr --output DisplayPort-0 --mode 1280x1024 -r 75.02
 #  # Segundo monitor
 #  xrandr --output DisplayPort-1 --mode 1280x1024 -r 75.02 --rotate left --right-of DisplayPort-0
-#  sleep 1
+#  sleep2
 #done
 sleep 2
 xrandr --output DisplayPort-0 --mode 1280x1024 -r 75.02
diff --git a/.config/spectrwm/spectrwm.conf b/.config/spectrwm/spectrwm.conf
index 0aab37a..9491326 100644
--- a/.config/spectrwm/spectrwm.conf
+++ b/.config/spectrwm/spectrwm.conf
@@ -326,6 +326,20 @@ bind[nitrogen]     = MOD+z
 
 # QUIRKS
 # Default quirks, remove with: quirk[class:name] = NONE
+quirk[Nitrogen:nitrogen]  = FLOAT
+quirk[Lxrandr:lxrandr]  = FLOAT
+quirk[Connman-gtk:connman-gtk]  = FLOAT
+quirk[Nm-connection-editor:nm-connection-editor]  = FLOAT
+quirk[Pavucontrol:pavucontrol]  = FLOAT
+quirk[Lxappearance:lxappearance]  = FLOAT
+quirk[vlc:vlc]  = FLOAT
+quirk[mpv:gl]  = FLOAT
+quirk[Ristretto:ristretto]  = FLOAT
+quirk[Gimp:gimp]  = FLOAT + ANYWHERE
+quirk[Gimp-2.10:gimp-2.10]  = FLOAT + ANYWHERE
+quirk[Mozilla VPN:mozillavpn]  = FLOAT
+quirk[VirtualBoxVM:VirtualBoxVM]  = FLOAT + ANYWHERE
+quirk[VirtualBox Machine:VirtualBox Machine]  = FLOAT + ANYWHERE
 # quirk[MPlayer:xv]			= FLOAT + FULLSCREEN + FOCUSPREV
 # quirk[OpenOffice.org 2.4:VCLSalFrame]	= FLOAT
 # quirk[OpenOffice.org 3.0:VCLSalFrame]	= FLOAT
diff --git a/.config/spectrwm/startwallpaper.sh b/.config/spectrwm/startwallpaper.sh
index f206d10..10dbe9b 100755
--- a/.config/spectrwm/startwallpaper.sh
+++ b/.config/spectrwm/startwallpaper.sh
@@ -1,4 +1,4 @@
 #!/bin/bash
 
 sleep 3
-nitrogen --set-centered ~/wallpapers/abstract.png
+nitrogen --set-scaled ~/wallpapers/abstract.png
diff --git a/.config/spectrwm/startxrandr.sh b/.config/spectrwm/startxrandr.sh
index b4bf234..740b496 100755
--- a/.config/spectrwm/startxrandr.sh
+++ b/.config/spectrwm/startxrandr.sh
@@ -8,7 +8,7 @@ while [ ${scan_rel} -eq 0 ] ; do
   xrandr --output DisplayPort-0 --mode 1280x1024 -r 75.02
   # Segundo monitor
   xrandr --output DisplayPort-1 --mode 1280x1024 -r 75.02 --rotate left --right-of DisplayPort-0
-  sleep 1
+  sleep 2
 done
 
 #xrandr --output Virtual1 --mode 1280x1024 -r 60.00
diff --git a/README-i3.md b/README-i3.md
index 162c705..9f74c15 100644
--- a/README-i3.md
+++ b/README-i3.md
@@ -25,7 +25,7 @@ dotfiles - My tiling i3 WM Configuration (for Devuan/Debian)
       $ sudo apt-get install connman connman-gtk connman-ui connman-vpn
       ````
       
-  * **`Install i3-gaps and alacritty:`**
+  * **`Install alacritty and i3-gaps (Optional):`**
   
     * Clone repository and run the scripts for installation:
 
@@ -33,8 +33,11 @@ dotfiles - My tiling i3 WM Configuration (for Devuan/Debian)
       $ git clone https://github.com/q3aql/dotfiles
       $ cd dotfiles
       $ chmod +x alacritty-install.sh
-      $ chmod +x i3-gaps-install.sh
       $ sudo ./alacritty-install.sh
+      ````
+      
+      ```shell
+      $ chmod +x i3-gaps-install.sh
       $ sudo ./i3-gaps-install.sh
       ````
 
@@ -78,10 +81,10 @@ dotfiles - My tiling i3 WM Configuration (for Devuan/Debian)
     * Edit  `~/.config/i3/config` for set your favorite wallpaper:
     
       ```shell
-      exec --no-startup-id "sleep 3 && nitrogen --set-centered ~/wallpapers/abstract.png"
+      exec --no-startup-id "sleep 3 && nitrogen --set-scaled ~/wallpapers/abstract.png"
       ````
 
-  * **`Enable Gaps:`**
+  * **`Enable Gaps (Optional):`**
   
     * My config work on vanilla i3wm and gaps are disabled.
     * You can enable it editing 2 lines on file `~/.config/i3/config` and pressing `Win+Shift+r`:
diff --git a/README.md b/README.md
index 0b91555..8175311 100644
--- a/README.md
+++ b/README.md
@@ -76,7 +76,7 @@ dotfiles - My tiling Spectrwm & i3 WM Configuration (for Devuan/Debian)
     
       ```shell
       sleep 3
-      nitrogen --set-centered ~/wallpapers/abstract.png
+      nitrogen --set-scaled ~/wallpapers/abstract.png
       ````
 
   * **`Compositor (Compton or Picom):`**
diff --git a/examples/startxrandr.sh b/examples/startxrandr.sh
index 9c1ab08..a28863c 100755
--- a/examples/startxrandr.sh
+++ b/examples/startxrandr.sh
@@ -7,5 +7,5 @@ while [ ${scan_rel} -eq 0 ] ; do
   xrandr --output DisplayPort-0 --mode 1280x1024 -r 75.02
   # Segundo monitor
   xrandr --output DisplayPort-1 --mode 1280x1024 -r 75.02 --rotate left --right-of DisplayPort-0
-  sleep 1
+  sleep 2
 done
diff --git a/wallpapers/awesome.jpg b/wallpapers/awesome.jpg
new file mode 100644
index 0000000..b87336d
Binary files /dev/null and b/wallpapers/awesome.jpg differ
diff --git a/wallpapers/blue-office.jpg b/wallpapers/blue-office.jpg
new file mode 100644
index 0000000..877d1bc
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diff --git a/wallpapers/bridge-wood.jpg b/wallpapers/bridge-wood.jpg
new file mode 100644
index 0000000..4044803
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diff --git a/wallpapers/dark-city.jpg b/wallpapers/dark-city.jpg
new file mode 100644
index 0000000..6886c73
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diff --git a/wallpapers/einstein-colors.jpg b/wallpapers/einstein-colors.jpg
new file mode 100644
index 0000000..631d8a7
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diff --git a/wallpapers/hands-colors.jpg b/wallpapers/hands-colors.jpg
new file mode 100644
index 0000000..1058596
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diff --git a/wallpapers/purple-sun.jpg b/wallpapers/purple-sun.jpg
new file mode 100644
index 0000000..5156def
Binary files /dev/null and b/wallpapers/purple-sun.jpg differ
diff --git a/wallpapers/street-colors.jpg b/wallpapers/street-colors.jpg
new file mode 100644
index 0000000..1422285
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diff --git a/wallpapers/train-brown.jpg b/wallpapers/train-brown.jpg
new file mode 100644
index 0000000..7b75183
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