Current tmux.conf. Much of it borrowed from Pragmatic's tmux book.

.tmux.conf

# Make tmux use C-a instead of C-b (just like screen!)
unbind C-b
set -g prefix C-a
bind C-a send-prefix

# Reload config file
bind r source-file ~/.tmux.conf \; display "Config Reloaded"

# Reset the escape time
set -sg escape-time 1

# Reset the repeat time
set -s repeat-time 1000 

# Moving between windows
bind -r C-h select-window -t :-
bind -r C-l select-window -t :+

# Clever aliases for splitting panes
bind | split-window -h
bind - split-window -v

# Moving between panes
bind h select-pane -L
bind j select-pane -D
bind k select-pane -U
bind l select-pane -R

# Resizing panes
bind -r H resize-pane -L 5
bind -r J resize-pane -D 5
bind -r K resize-pane -U 5
bind -r L resize-pane -R 5

# Mouse mode
setw -g mode-mouse on
set -g mouse-select-pane on
set -g mouse-resize-pane on
set -g mouse-select-window on

# Appearance
set -g default-terminal "screen-256color"
set -g status-fg white
set -g status-bg black
setw -g window-status-fg cyan
setw -g window-status-bg default
setw -g window-status-attr dim
setw -g window-status-current-fg white
setw -g window-status-current-bg red
setw -g window-status-current-attr bright
set -g pane-border-fg white
set -g pane-border-bg black
set -g pane-active-border-fg white
set -g pane-active-border-bg yellow
set -g message-fg white
set -g message-bg black
set -g message-attr bright
set -g status-left-length 40
set -g status-left "#[fg=green][#S] #[fg=yellow]#I #[fg=cyan]#P"
set -g status-justify centre
set -g status-utf8 on
setw -g monitor-activity on
set -g visual-activity on

# Copy mode
setw -g mode-keys vi