gistfile1.txt

Section "InputClass"
    MatchIsTouchpad "on"
    Identifier "Touchpads"
    Driver "mtrack"
    Option "Thumbsize" "50"
    Option "ScrollDistance" "100"
    Option "IgnorePalm" "True"
    Option "IgnoreThumb" "True"
    # reverse scrolling to be like Lion natural mode
    Option "ScrollUpButton" "5"
    Option "ScrollDownButton" "4"
    # left and right as well
    Option "ScrollLeftButton" "7"
    Option "ScrollRightButton" "6"
EndSection

Xdefaults

! first disable Keycap Picture insert mode
URxvt.iso14755:         false
URxvt.iso14755_52:      false
URxvt.background:       black
URxvt.foreground:       white
URxvt*font:             xft:Inconsolata:pixelsize=16
!URxvt.font:            xft:terminus:pixelsize=16
URxvt.perl-ext-common:  default,url-select
URxvt.keysym.M-u:       perl:url-select:select_next
URxvt.urlLauncher:      /usr/bin/conkeror
URxvt.underlineURLs:    true
URxvt.scrollBar:        false
URxvt.scrollBar_floating: true
URxvt.scrollBar_right:  true
URxvt.saveLines:        2500
URxvt.urgentOnBell:     true
URxvt.insecure:         true

xmonad.hs

    , ("<XF86MonBrightnessUp>", unsafeSpawn "xbacklight -inc 5")
    , ("<XF86MonBrightnessDown>", unsafeSpawn "xbacklight -dec 5")
    , ("<XF86KbdBrightnessUp>", unsafeSpawn "xbacklight -dec 5")
    , ("<XF86KbdBrightnessDown>", unsafeSpawn "xbacklight -dec 5")

yeganesh_run.sh

#!/bin/sh                                                                                                                                                      
cachedir=${XDG_CACHE_HOME:-"$HOME/.cache"}                                                                                                                     
if [ -d "$cachedir" ]; then                                                                                                                                    
        cache=$cachedir/yeganesh_run                                                                                                                           
else                                                                                                                                                           
        cache=$HOME/.yeganesh_cache # if no xdg dir, fall back to dotfile in ~                                                                                 
fi                                                                                                                                                             
(                                                                                                                                                              
        IFS=:                                                                                                                                                  
        if stest -dqr -n "$cache" $PATH; then                                                                                                                  
                stest -flx $PATH | sort -u | tee "$cache" | yeganesh "$@"                                                                                      
        else                                                                                                                                                   
                yeganesh "$@" < "$cache"                                                                                                                       
        fi                                                                                                                                                     
) | ${SHELL:-"/bin/sh"} &