1) Install GeekTool
2) Run this script….

USERNAME="me@gmail.com"
PASSWORD="password"

EMAIL=`curl -u $USERNAME:$PASSWORD --silent "https://mail.google.com/mail/feed/atom" | tr -d '\n' | awk -F '<entry>' '{for (i=2; i<=NF; i++) {print $i}}' | sed -n "s/<title>\(.*\)<\/title.*name>\(.*\)<\/name>.*/\2 - \1/p"`

if [ -n "$EMAIL" ]
	then

	echo "INBOX:"
	echo "-----------------------------------------"

	IFS=$'\n'
	for i in $EMAIL
	do
		len=${#i}
		if [ "$len" -gt 40 ]
			then
			echo ${i:0:37} "..."
		else
			echo $i
		fi
	done
fi

3) smile