1. The first thing you need to do is get Mozilla Firefox...(only firefox not IE or Chrome)
2. Get Firefox 3 Greasemonkey add-on...here to download
3..Visit below to download the emoticon...
Sources: http://userscripts.org/
Download this Emoticon For Blogger [1] [2]
Thanks for the author of this script..
Then follow the instruction below...
4.DoNe!..Your emoticon is ready to use...