diff --git a/tmux.conf b/tmux.conf
index ce63451..51ba709 100644
--- a/tmux.conf
+++ b/tmux.conf
@@ -3,6 +3,7 @@
 
 set -g prefix C-f
 
+# Don't destroy sessions that have no clients attached.
 set -g exit-unattached off
 
 set -g default-terminal "screen-256color"
@@ -16,13 +17,25 @@ set -g visual-bell off
 set -g set-titles on
 set -g set-titles-string "#T"
 
-set-option -g mode-keys vi
+# Use vi keys for copy mode
+set -g mode-keys vi
+set -g repeat-time 0
+
+# No left status; right status bar is session name
+set -g status-bg green
+set -g status-left ""
+set -g status-left-attr none
+set -g status-right "| #S "
+set -g status-right-attr none
 
 # Start window and pane indexing from 1 instead of 0
 set-option -g base-index 1
 set-option -g pane-base-index 1
 
-set-option -g status-bg green
+# Tabs like this: " <index>:<window_name>(<pane_number>) "
+setw -g window-status-format " #I:#W(#P) "
+setw -g window-status-current-bg yellow
+setw -g window-status-current-format " #I:#W(#P) "
 
 setw -g alternate-screen on
 
diff --git a/vim/after/ftplugin/markdown.vim b/vim/after/ftplugin/markdown.vim
new file mode 100644
index 0000000..bd0bd1e
--- /dev/null
+++ b/vim/after/ftplugin/markdown.vim
@@ -0,0 +1,7 @@
+setlocal tw=80
+setlocal cc=80
+setlocal fdm=marker
+setlocal spell
+
+" Comment out the current selection
+vmap <buffer> <leader>co "xdi<!--<Esc>"xpa--><Esc>
diff --git a/vim/after/ftplugin/python.vim b/vim/after/ftplugin/python.vim
index bb2f799..c2da26f 100644
--- a/vim/after/ftplugin/python.vim
+++ b/vim/after/ftplugin/python.vim
@@ -1,8 +1,15 @@
 setlocal shiftwidth=4
 setlocal softtabstop=4
 setlocal expandtab
-setlocal textwidth=100
-setlocal colorcolumn=100
+
+let s:buf_filename = expand('%:t')
+if s:buf_filename != "SConscript" && s:buf_filename != "SConstruct"
+    setlocal textwidth=100
+    setlocal colorcolumn=100
+else
+    setlocal textwidth=80
+    setlocal colorcolumn=80
+endif
 
 "setlocal foldnestmax=3
 "setlocal fdm=indent
diff --git a/vimrc b/vimrc
index c4e2fad..4fef1b7 100644
--- a/vimrc
+++ b/vimrc
@@ -207,7 +207,10 @@ nmap <silent> <leader><space> :setlocal invhlsearch<CR>
 " find all
 nmap <leader>fa :%s/\v
 
-nmap <leader>sn :e ~/.vim/bundle/snipmate/snippets/<C-r>=&filetype<CR>.snippets<CR>
+" Open the snippet file for the current filetype
+nmap <leader>esn :e ~/.vim/bundle/snipmate/snippets/<C-r>=&filetype<CR>.snippets<CR>
+" Open the ftplugin-after script for the current filetype
+nmap <leader>eft :e ~/.vim/after/ftplugin/<C-r>=&filetype<CR>.vim<CR>
 
 " Toggle position highlighting
 nmap <silent> <leader>cl :setlocal invcursorline<CR>
@@ -244,6 +247,12 @@ if has('autocmd')
     autocmd VimEnter ~/Code/*
         \ call <SID>source_project_file()
 
+    " Reload snippets after editing the snippets file. Snippet files are
+    " <filetype>.snippets. Get <filetype> from the filename and reload the
+    " snippets for that type.
+    autocmd BufWritePost *.snippets
+        \ :call ReloadSnippets(expand('%:t:r'))
+
     " Clean whitespace before saving: Python, C, HTML, and Objective-C
     autocmd BufWritePre *.py,*.h,*.c,*.html,*.m,*.mm,*.cc,*.hh
         \ call <SID>strip_trailing_whitespace()
diff --git a/zprofile b/zprofile
index f19a0d7..7b24140 100644
--- a/zprofile
+++ b/zprofile
@@ -9,7 +9,19 @@ print_heading -l 1 'Initializing login shell'
 
 [ -e $HOME/.profile ] && source $HOME/.profile
 
-# Any ZSH stuff goes here.
+list_tmux_sessions()
+{
+    tmux_out=`tmux list-sessions 2>/dev/null`
+    [[ -z "$tmux_out" ]] && return
+
+    echo "You have the following active tmux sessions:"
+    for session in ${(f)tmux_out}; do
+        echo "    $session"
+    done
+    echo
+}
+
+list_tmux_sessions
 
 [ -e $HOME/.profile.$SYS ] && source $HOME/.profile.$SYS
 [ -e $HOME/.profile.local ] && source $HOME/.profile.local
diff --git a/zsh/func/makers/mkcodemod b/zsh/func/makers/mkcodemod
index 7c374c7..d2df6af 100644
--- a/zsh/func/makers/mkcodemod
+++ b/zsh/func/makers/mkcodemod
@@ -2,7 +2,7 @@
 # Create a code module
 # Eryn Wells <eryn@erynwells.me>
 
-local opts='cmph'
+local opts='Ccmph'
 local funcname=$0
 
 _usage() {
@@ -24,6 +24,11 @@ local modtype=''
 while getopts $opts opt; do
     [[ $complete -eq 1 ]] && return 2
     case $opt in
+        C)
+            modtype='C++'
+            srcext='cc'
+            headext='hh'
+            ;;
         c)
             modtype='C'
             srcext='c'