"Open iTerm here" context menu for Finder in OS X

gistfile1.txt

# Step 1
# Open Automator
#
# Step 2
# File - New - Service
#
# Set the top dropdown boxes to Service receives selected files or folders in Finder.app
# Double click or drag Run Shell Script from the left panel, and enter the following:

if [[ -d $1 ]]; then
    open -a iTerm $1
elif [[ -f $1 ]]; then
    parentdir="$(dirname "$1")"
    open -a iTerm $parentdir
fi

# Step 3
# File - Save - Save service as Open iTerm Here
#
# It is stored in ~/Library/Services, in case it needs to be changed later.
#
# That’s it! Now you can see the Open iTerm Here context menu option by right click on a file or folder in Finder.