diff --git a/.config/nvim/config/plugin-settings.vim b/.config/nvim/config/plugin-settings.vim
index 7278b01..3123d57 100644
--- a/.config/nvim/config/plugin-settings.vim
+++ b/.config/nvim/config/plugin-settings.vim
@@ -75,7 +75,7 @@ map <F7> :NERDTreeToggle<CR>
 let nerdtreequitonopen = 0
 let NERDTreeShowHidden=1
 let nerdchristmastree=1
-let g:NERDTreeMinimalUI = 1
+let g:NERDTreeMinimalUI = 1 
 let g:nerdtreewinsize = 25
 let g:NERDTreeDirArrowExpandable = '▷'
 let g:NERDTreeDirArrowCollapsible = '▼'
diff --git a/.config/ranger/rc.conf b/.config/ranger/rc.conf
index e4f4c27..8d5c7a6 100644
--- a/.config/ranger/rc.conf
+++ b/.config/ranger/rc.conf
@@ -22,7 +22,7 @@ set vcs_backend_git enabled
 set vcs_backend_hg disabled
 set vcs_backend_bzr disabled
 set preview_images true
-set preview_images_method w3m
+set preview_images_method ueberzug
 set unicode_ellipsis false
 set show_hidden_bookmarks false
 set colorscheme default
diff --git a/.tmux.conf b/.tmux.conf
index 04dbba7..b614868 100644
--- a/.tmux.conf
+++ b/.tmux.conf
@@ -168,6 +168,7 @@ set -g @plugin 'tmux-plugins/tmux-copycat'
 set -g @plugin 'tmux-plugins/tmux-resurrect'
 set -g @plugin 'tmux-plugins/tmux-continuum'
 set -g @plugin 'nhdaly/tmux-better-mouse-mode'
+set -g @plugin 'tmux-plugins/tmux-sidebar'
 ##########################################################################
 # Plugins settings
 ##########################################################################
@@ -177,6 +178,6 @@ set -g @continuum-restore 'on'
 set -g @continuum-save-interval '10'
 # for neovim
 set -g @resurrect-strategy-nvim 'session'
-
+set -g @sidebar-tree-command 'tree -C'
 # Initialize TMUX plugin manager (keep this line at the very bottom of tmux.conf)
 run '~/.tmux/plugins/tpm/tpm'